diff --git a/include/wx/affinematrix2dbase.h b/include/wx/affinematrix2dbase.h
index 94b1955aa3..f2d51d26d9 100644
--- a/include/wx/affinematrix2dbase.h
+++ b/include/wx/affinematrix2dbase.h
@@ -44,7 +44,7 @@ public:
     // sets the matrix to the respective values
     virtual void Set(const wxMatrix2D& mat2D, const wxPoint2DDouble& tr) = 0;
 
-    // gets the component valuess of the matrix
+    // gets the component values of the matrix
     virtual void Get(wxMatrix2D* mat2D, wxPoint2DDouble* tr) const = 0;
 
     // concatenates the matrix
diff --git a/include/wx/aui/dockart.h b/include/wx/aui/dockart.h
index bb931d7acc..fc577e4e9a 100644
--- a/include/wx/aui/dockart.h
+++ b/include/wx/aui/dockart.h
@@ -26,7 +26,7 @@
 
 // dock art provider code - a dock provider provides all drawing
 // functionality to the wxAui dock manager.  This allows the dock
-// manager to have plugable look-and-feels
+// manager to have pluggable look-and-feels
 
 class WXDLLIMPEXP_AUI wxAuiDockArt
 {
diff --git a/include/wx/clrpicker.h b/include/wx/clrpicker.h
index 4b51a96d0e..d6d73d4abe 100644
--- a/include/wx/clrpicker.h
+++ b/include/wx/clrpicker.h
@@ -74,7 +74,7 @@ protected:
 // under the name "wxColourPickerWidget".
 // NOTE: wxColourPickerCtrl allocates a wxColourPickerWidget and relies on the
 //       fact that all classes being mapped as wxColourPickerWidget have the
-//       same prototype for their contructor (and also explains why we use
+//       same prototype for their constructor (and also explains why we use
 //       define instead of a typedef)
 // since GTK > 2.4, there is GtkColorButton
 #if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
diff --git a/include/wx/datetime.h b/include/wx/datetime.h
index cb88987dac..417de85ffa 100644
--- a/include/wx/datetime.h
+++ b/include/wx/datetime.h
@@ -723,7 +723,7 @@ public:
         // get the broken down date/time representation in the given timezone
         //
         // If you wish to get several time components (day, month and year),
-        // consider getting the whole Tm strcuture first and retrieving the
+        // consider getting the whole Tm structure first and retrieving the
         // value from it - this is much more efficient
     Tm GetTm(const TimeZone& tz = Local) const;
 
@@ -861,7 +861,7 @@ public:
         return m_time != dt.m_time;
     }
 
-    // arithmetics with dates (see also below for more operators)
+    // arithmetic with dates (see also below for more operators)
     // ------------------------------------------------------------------------
 
         // return the sum of the date with a time span (positive or negative)
@@ -1207,7 +1207,7 @@ public:
 
         // no dtor
 
-    // arithmetics with time spans (see also below for more operators)
+    // arithmetic with time spans (see also below for more operators)
     // ------------------------------------------------------------------------
 
         // return the sum of two timespans
@@ -1448,7 +1448,7 @@ public:
         // returns 7*GetWeeks() + GetDays()
     int GetTotalDays() const { return 7*m_weeks + m_days; }
 
-    // arithmetics with date spans (see also below for more operators)
+    // arithmetic with date spans (see also below for more operators)
     // ------------------------------------------------------------------------
 
         // return sum of two date spans
@@ -1848,7 +1848,7 @@ inline bool wxDateTime::IsEqualUpTo(const wxDateTime& dt,
 }
 
 // ----------------------------------------------------------------------------
-// wxDateTime arithmetics
+// wxDateTime arithmetic
 // ----------------------------------------------------------------------------
 
 inline wxDateTime wxDateTime::Add(const wxTimeSpan& diff) const
@@ -1997,7 +1997,7 @@ inline int wxTimeSpan::GetWeeks() const
 }
 
 // ----------------------------------------------------------------------------
-// wxTimeSpan arithmetics
+// wxTimeSpan arithmetic
 // ----------------------------------------------------------------------------
 
 inline wxTimeSpan wxTimeSpan::Add(const wxTimeSpan& diff) const
diff --git a/include/wx/dc.h b/include/wx/dc.h
index 088c22c683..a9e901ae22 100644
--- a/include/wx/dc.h
+++ b/include/wx/dc.h
@@ -528,7 +528,7 @@ public:
 
     virtual void ComputeScaleAndOrigin();
 
-    // this needs to overidden if the axis is inverted
+    // this needs to overridden if the axis is inverted
     virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
 
     virtual double GetContentScaleFactor() const { return m_contentScaleFactor; }
diff --git a/include/wx/defs.h b/include/wx/defs.h
index f49ab60f29..d39502d455 100644
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -98,7 +98,7 @@
      */
     #pragma warning(disable: 4127) /*  conditional expression is constant */
 
-    /* There are too many false positivies for this one, particularly when
+    /* There are too many false positives for this one, particularly when
        using templates like wxVector<T> */
     /* class 'foo' needs to have dll-interface to be used by clients of
        class 'bar'" */
diff --git a/include/wx/dialup.h b/include/wx/dialup.h
index b682aa226d..7563f54bc2 100644
--- a/include/wx/dialup.h
+++ b/include/wx/dialup.h
@@ -118,7 +118,7 @@ public:
     // set misc wxDialUpManager options
     // --------------------------------
 
-    // enable automatical checks for the connection status and sending of
+    // enable automatic checks for the connection status and sending of
     // wxEVT_DIALUP_CONNECTED/wxEVT_DIALUP_DISCONNECTED events. The interval
     // parameter is only for Unix where we do the check manually: under
     // Windows, the notification about the change of connection status is
diff --git a/include/wx/dnd.h b/include/wx/dnd.h
index cb158927d2..c43083645b 100644
--- a/include/wx/dnd.h
+++ b/include/wx/dnd.h
@@ -187,9 +187,9 @@ public:
     virtual bool GetData() = 0;
 
     // sets the default action for drag and drop:
-    // use wxDragMove or wxDragCopy to set deafult action to move or copy
+    // use wxDragMove or wxDragCopy to set default action to move or copy
     // and use wxDragNone (default) to set default action specified by
-    // initialization of draging (see wxDropSourceBase::DoDragDrop())
+    // initialization of dragging (see wxDropSourceBase::DoDragDrop())
     void SetDefaultAction(wxDragResult action)
         { m_defaultAction = action; }
 
diff --git a/include/wx/dynload.h b/include/wx/dynload.h
index 79239cbf11..1c538c7d51 100644
--- a/include/wx/dynload.h
+++ b/include/wx/dynload.h
@@ -39,7 +39,7 @@ typedef wxDLManifest wxDLImports;
 //       wxDL is not virtual and we deliberately hide some of it's
 //       methods here.
 //
-//       Unless you know exacty why you need to, you probably shouldn't
+//       Unless you know exactly why you need to, you probably shouldn't
 //       instantiate this class directly anyway, use wxPluginManager
 //       instead.
 
diff --git a/include/wx/encconv.h b/include/wx/encconv.h
index cf1360ec07..0d2b900a85 100644
--- a/include/wx/encconv.h
+++ b/include/wx/encconv.h
@@ -96,7 +96,7 @@ class WXDLLIMPEXP_BASE wxEncodingConverter : public wxObject
             bool Convert(wchar_t* str) const { return Convert(str, str); }
 
             // Return equivalent(s) for given font that are used
-            // under given platform. wxPLATFORM_CURRENT means the plaform
+            // under given platform. wxPLATFORM_CURRENT means the platform
             // this binary was compiled for
             //
             // Examples:
diff --git a/include/wx/event.h b/include/wx/event.h
index 1c9b794fd9..403fa26cf9 100644
--- a/include/wx/event.h
+++ b/include/wx/event.h
@@ -2190,7 +2190,7 @@ public:
             *ypos = GetY();
     }
 
-    // This version if provided only for backwards compatiblity, don't use.
+    // This version if provided only for backwards compatibility, don't use.
     void GetPosition(long *xpos, long *ypos) const
     {
         if (xpos)
diff --git a/include/wx/eventfilter.h b/include/wx/eventfilter.h
index 30eac4d363..1205216264 100644
--- a/include/wx/eventfilter.h
+++ b/include/wx/eventfilter.h
@@ -59,7 +59,7 @@ public:
 
 private:
     // Objects of this class are made to be stored in a linked list in
-    // wxEvtHandler so put the next node ponter directly in the class itself.
+    // wxEvtHandler so put the next node pointer directly in the class itself.
     wxEventFilter* m_next;
 
     // And provide access to it for wxEvtHandler [only].
diff --git a/include/wx/fdrepdlg.h b/include/wx/fdrepdlg.h
index 1c7f46f55e..e01a4bf91c 100644
--- a/include/wx/fdrepdlg.h
+++ b/include/wx/fdrepdlg.h
@@ -26,7 +26,7 @@ class WXDLLIMPEXP_FWD_CORE wxFindReplaceDialogImpl;
 // Flags for wxFindReplaceData.Flags
 // ----------------------------------------------------------------------------
 
-// flages used by wxFindDialogEvent::GetFlags()
+// flags used by wxFindDialogEvent::GetFlags()
 enum wxFindReplaceFlags
 {
     // downward search/replace selected (otherwise - upwards)
diff --git a/include/wx/filename.h b/include/wx/filename.h
index 203c98431b..6fdd706400 100644
--- a/include/wx/filename.h
+++ b/include/wx/filename.h
@@ -133,7 +133,7 @@ public:
     wxFileName(const wxFileName& filepath) { Assign(filepath); }
 
         // from a full filename: if it terminates with a '/', a directory path
-        // is contructed (the name will be empty), otherwise a file name and
+        // is constructed (the name will be empty), otherwise a file name and
         // extension are extracted from it
     wxFileName( const wxString& fullpath, wxPathFormat format = wxPATH_NATIVE )
         { Assign( fullpath, format ); m_dontFollowLinks = false; }
diff --git a/include/wx/filepicker.h b/include/wx/filepicker.h
index c17e820bf2..f573971526 100644
--- a/include/wx/filepicker.h
+++ b/include/wx/filepicker.h
@@ -126,7 +126,7 @@ protected:
 // under the name "wxFilePickerWidget" and "wxDirPickerWidget".
 // NOTE: wxFileDirPickerCtrlBase will allocate a wx{File|Dir}PickerWidget and this
 //       requires that all classes being mapped as wx{File|Dir}PickerWidget have the
-//       same prototype for the contructor...
+//       same prototype for the constructor...
 // since GTK >= 2.6, there is GtkFileButton
 #if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
     #include "wx/gtk/filepicker.h"
diff --git a/include/wx/frame.h b/include/wx/frame.h
index a93d35c661..5f2cac41cf 100644
--- a/include/wx/frame.h
+++ b/include/wx/frame.h
@@ -18,7 +18,7 @@
 #include "wx/toplevel.h"      // the base class
 #include "wx/statusbr.h"
 
-// the default names for various classs
+// the default names for various classes
 extern WXDLLIMPEXP_DATA_CORE(const char) wxStatusLineNameStr[];
 extern WXDLLIMPEXP_DATA_CORE(const char) wxToolBarNameStr[];
 
diff --git a/include/wx/gauge.h b/include/wx/gauge.h
index b1ddac7769..e365d48505 100644
--- a/include/wx/gauge.h
+++ b/include/wx/gauge.h
@@ -24,7 +24,7 @@
 #define wxGA_HORIZONTAL      wxHORIZONTAL
 #define wxGA_VERTICAL        wxVERTICAL
 
-// Available since Windows 7 only. With this style, the value of guage will
+// Available since Windows 7 only. With this style, the value of gauge will
 // reflect on the taskbar button.
 #define wxGA_PROGRESS        0x0010
 // Win32 only, is default (and only) on some other platforms
diff --git a/include/wx/gdicmn.h b/include/wx/gdicmn.h
index e415f1c115..e29a77627c 100644
--- a/include/wx/gdicmn.h
+++ b/include/wx/gdicmn.h
@@ -224,7 +224,7 @@ enum wxEllipsizeMode
 #endif // platform
 
 /* Another macro: this one is for portable creation of bitmaps. We assume that
-   under Unix bitmaps live in XPMs and under Windows they're in ressources.
+   under Unix bitmaps live in XPMs and under Windows they're in resources.
  */
 
 #if defined(__WINDOWS__) && wxUSE_WXDIB
diff --git a/include/wx/generic/dcpsg.h b/include/wx/generic/dcpsg.h
index b26cde59f7..21c615781d 100644
--- a/include/wx/generic/dcpsg.h
+++ b/include/wx/generic/dcpsg.h
@@ -90,7 +90,7 @@ public:
 
     void PsPrint( const wxString& psdata );
 
-    // Overrridden for wxPrinterDC Impl
+    // Overridden for wxPrinterDC Impl
 
     virtual int GetResolution() const wxOVERRIDE;
     virtual wxRect GetPaperRect() const wxOVERRIDE;
diff --git a/include/wx/generic/grid.h b/include/wx/generic/grid.h
index a0d1dae75c..370a4e5a30 100644
--- a/include/wx/generic/grid.h
+++ b/include/wx/generic/grid.h
@@ -302,7 +302,7 @@ public:
     // version only checks that the event has no modifiers. The derived
     // classes are supposed to do "if ( base::IsAcceptedKey() && ... )" in
     // their IsAcceptedKey() implementation, although, of course, it is not a
-    // mandatory requirment.
+    // mandatory requirement.
     //
     // NB: if the key is F2 (special), editing will always start and this
     //     method will not be called at all (but StartingKey() will)
diff --git a/include/wx/generic/grideditors.h b/include/wx/generic/grideditors.h
index 4ffd61ef62..afa5b2d9c8 100644
--- a/include/wx/generic/grideditors.h
+++ b/include/wx/generic/grideditors.h
@@ -210,7 +210,7 @@ public:
         { return new wxGridCellFloatEditor(m_width, m_precision); }
 
     // parameters string format is "width[,precision[,format]]"
-    // format to choose beween f|e|g|E|G (f is used by default)
+    // format to choose between f|e|g|E|G (f is used by default)
     virtual void SetParameters(const wxString& params) wxOVERRIDE;
 
 protected:
diff --git a/include/wx/generic/private/grid.h b/include/wx/generic/private/grid.h
index 8628824814..7faabcd7c3 100644
--- a/include/wx/generic/private/grid.h
+++ b/include/wx/generic/private/grid.h
@@ -140,7 +140,7 @@ private:
     int m_col;
 };
 
-// header control retreiving column information from the grid
+// header control retrieving column information from the grid
 class wxGridHeaderCtrl : public wxHeaderCtrl
 {
 public:
diff --git a/include/wx/generic/progdlgg.h b/include/wx/generic/progdlgg.h
index ba8fb0bcc5..3551ccfbeb 100644
--- a/include/wx/generic/progdlgg.h
+++ b/include/wx/generic/progdlgg.h
@@ -120,7 +120,7 @@ protected:
     // called to disable the other windows while this dialog is shown
     void DisableOtherWindows();
 
-    // must be called to reenable the other windows temporarily disabled while
+    // must be called to re-enable the other windows temporarily disabled while
     // the dialog was shown
     void ReenableOtherWindows();
 
diff --git a/include/wx/graphics.h b/include/wx/graphics.h
index b2d26c386a..04a00db860 100644
--- a/include/wx/graphics.h
+++ b/include/wx/graphics.h
@@ -104,7 +104,7 @@ class WXDLLIMPEXP_FWD_CORE wxGraphicsBitmap;
 /*
  * notes about the graphics context apis
  *
- * angles : are measured in radians, 0.0 being in direction of positiv x axis, PI/2 being
+ * angles : are measured in radians, 0.0 being in direction of positive x axis, PI/2 being
  * in direction of positive y axis.
  */
 
@@ -218,7 +218,7 @@ public:
     virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
         wxDouble tx=0.0, wxDouble ty=0.0);
 
-    // gets the component valuess of the matrix
+    // gets the component values of the matrix
     virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
                      wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const;
 
diff --git a/include/wx/gtk/dcclient.h b/include/wx/gtk/dcclient.h
index a633faccda..5c04100c69 100644
--- a/include/wx/gtk/dcclient.h
+++ b/include/wx/gtk/dcclient.h
@@ -97,7 +97,7 @@ public:
     virtual wxSize GetPPI() const wxOVERRIDE;
     virtual int GetDepth() const wxOVERRIDE;
 
-    // overrriden here for RTL
+    // overridden here for RTL
     virtual void SetDeviceOrigin( wxCoord x, wxCoord y ) wxOVERRIDE;
     virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp ) wxOVERRIDE;
 
diff --git a/include/wx/gtk/toplevel.h b/include/wx/gtk/toplevel.h
index 9a2c705f1d..037a7498cb 100644
--- a/include/wx/gtk/toplevel.h
+++ b/include/wx/gtk/toplevel.h
@@ -124,7 +124,7 @@ public:
     };
     DecorSize m_decorSize;
 
-    // private gtk_timeout_add result for mimicing wxUSER_ATTENTION_INFO and
+    // private gtk_timeout_add result for mimicking wxUSER_ATTENTION_INFO and
     // wxUSER_ATTENTION_ERROR difference, -2 for no hint, -1 for ERROR hint, rest for GtkTimeout handle.
     int m_urgency_hint;
     // timer for detecting WM with broken _NET_REQUEST_FRAME_EXTENTS handling
diff --git a/include/wx/gtk1/dataobj2.h b/include/wx/gtk1/dataobj2.h
index b847242cfc..447fd4f388 100644
--- a/include/wx/gtk1/dataobj2.h
+++ b/include/wx/gtk1/dataobj2.h
@@ -45,7 +45,7 @@ protected:
     void DoConvertToPng();
 
 private:
-    // virtual function hiding supression
+    // virtual function hiding suppression
     size_t GetDataSize(const wxDataFormat& format) const
         { return(wxDataObjectSimple::GetDataSize(format)); }
     bool GetDataHere(const wxDataFormat& format, void* pBuf) const
@@ -71,7 +71,7 @@ public:
     virtual bool SetData(size_t len, const void *buf);
 
 private:
-    // virtual function hiding supression
+    // virtual function hiding suppression
     size_t GetDataSize(const wxDataFormat& format) const
         { return(wxDataObjectSimple::GetDataSize(format)); }
     bool GetDataHere(const wxDataFormat& format, void* pBuf) const
diff --git a/include/wx/gtk1/toplevel.h b/include/wx/gtk1/toplevel.h
index dc75a430d8..90fa3d8508 100644
--- a/include/wx/gtk1/toplevel.h
+++ b/include/wx/gtk1/toplevel.h
@@ -101,7 +101,7 @@ public:
     long          m_gdkFunc,
                   m_gdkDecor;
 
-    // private gtk_timeout_add result for mimicing wxUSER_ATTENTION_INFO and
+    // private gtk_timeout_add result for mimicking wxUSER_ATTENTION_INFO and
     // wxUSER_ATTENTION_ERROR difference, -2 for no hint, -1 for ERROR hint, rest for GtkTimeout handle.
     int m_urgency_hint;
 
diff --git a/include/wx/gtk1/treectrl.h b/include/wx/gtk1/treectrl.h
index f1a1a9265a..a18cc6d9a2 100644
--- a/include/wx/gtk1/treectrl.h
+++ b/include/wx/gtk1/treectrl.h
@@ -317,7 +317,7 @@ public:
 
         // sort the children of this item using the specified callback function
         // (it should return -1, 0 or +1 as usual), if it's not specified
-        // alphabetical comparaison is performed.
+        // alphabetical comparison is performed.
         //
         // NB: this function is not reentrant!
     void SortChildren(const wxTreeItemId& item,
diff --git a/include/wx/gtk1/window.h b/include/wx/gtk1/window.h
index beb0adde8f..76316e11f2 100644
--- a/include/wx/gtk1/window.h
+++ b/include/wx/gtk1/window.h
@@ -211,7 +211,7 @@ public:
     bool                 m_needsStyleChange:1;  // May not be able to change
                                                 // background style until OnIdle
 
-    // C++ has no virtual methods in the constrcutor of any class but we need
+    // C++ has no virtual methods in the constructor of any class but we need
     // different methods of inserting a child window into a wxFrame,
     // wxMDIFrame, wxNotebook etc. this is the callback that will get used.
     wxInsertChildFunction  m_insertCallback;
diff --git a/include/wx/hash.h b/include/wx/hash.h
index a080686812..b28738bacc 100644
--- a/include/wx/hash.h
+++ b/include/wx/hash.h
@@ -119,7 +119,7 @@ private:
     void DoRemoveNode( wxHashTableBase_Node* node );
 
     // destroys data contained in the node if appropriate:
-    // deletes the key if it is a string and destrys
+    // deletes the key if it is a string and destroys
     // the value if m_deleteContents is true
     void DoDestroyNode( wxHashTableBase_Node* node );
 
diff --git a/include/wx/html/helpdata.h b/include/wx/html/helpdata.h
index 2627f78c08..eb3a72f66c 100644
--- a/include/wx/html/helpdata.h
+++ b/include/wx/html/helpdata.h
@@ -203,7 +203,7 @@ protected:
     wxHtmlBookRecArray m_bookRecords;
 
     wxHtmlHelpDataItems m_contents; // list of all available books and pages
-    wxHtmlHelpDataItems m_index; // list of index itesm
+    wxHtmlHelpDataItems m_index; // list of index items
 
 protected:
     // Imports .hhp files (MS HTML Help Workshop)
diff --git a/include/wx/html/htmlfilt.h b/include/wx/html/htmlfilt.h
index a4a03442da..4340fd3c72 100644
--- a/include/wx/html/htmlfilt.h
+++ b/include/wx/html/htmlfilt.h
@@ -45,7 +45,7 @@ public:
 //--------------------------------------------------------------------------------
 // wxHtmlFilterPlainText
 //                  This filter is used as default filter if no other can
-//                  be used (= uknown type of file). It is used by
+//                  be used (= unknown type of file). It is used by
 //                  wxHtmlWindow itself.
 //--------------------------------------------------------------------------------
 
diff --git a/include/wx/html/htmlpars.h b/include/wx/html/htmlpars.h
index 976ed93af3..c3f271a085 100644
--- a/include/wx/html/htmlpars.h
+++ b/include/wx/html/htmlpars.h
@@ -163,7 +163,7 @@ protected:
     // Adds tag and proceeds it. Parse() may (and usually is) called from this method.
     // This is called from Parse() and may be overridden.
     // Default behaviour is that it looks for proper handler in m_Handlers. The tag is
-    // ignored if no hander is found.
+    // ignored if no handler is found.
     // Derived class is *responsible* for filling in m_Handlers table.
     virtual void AddTag(const wxHtmlTag& tag);
 
@@ -236,7 +236,7 @@ public:
     //   is capable of handling italic, bold, font and paragraph tags
     virtual wxString GetSupportedTags() = 0;
 
-    // This is hadling core method. It does all the Steps 1-3.
+    // This is handling core method. It does all the Steps 1-3.
     // To process step 2, you can call ParseInner()
     // returned value : true if it called ParseInner(),
     //                  false etherwise
@@ -282,7 +282,7 @@ public:
     // (with respect to output encoding)
     wxString Parse(const wxString& input) const;
 
-    // Returns character for given entity or 0 if the enity is unknown
+    // Returns character for given entity or 0 if the entity is unknown
     wxChar GetEntityChar(const wxString& entity) const;
 
     // Returns character that represents given Unicode code
diff --git a/include/wx/html/htmlwin.h b/include/wx/html/htmlwin.h
index 472fffbc81..8c98c3d030 100644
--- a/include/wx/html/htmlwin.h
+++ b/include/wx/html/htmlwin.h
@@ -260,7 +260,7 @@ public:
 
     // Set HTML page and display it. !! source is HTML document itself,
     // it is NOT address/filename of HTML document. If you want to
-    // specify document location, use LoadPage() istead
+    // specify document location, use LoadPage() instead
     // Return value : false if an error occurred, true otherwise
     virtual bool SetPage(const wxString& source);
 
@@ -503,8 +503,8 @@ protected:
     bool m_makingSelection;
 
 #if wxUSE_CLIPBOARD
-    // time of the last doubleclick event, used to detect tripleclicks
-    // (tripleclicks are used to select whole line):
+    // time of the last double-click event, used to detect triple clicks
+    // (triple clicks are used to select whole line):
     wxMilliClock_t m_lastDoubleClick;
 
     // helper class to automatically scroll the window if the user is selecting
diff --git a/include/wx/html/winpars.h b/include/wx/html/winpars.h
index 7a74de8376..03da8c0458 100644
--- a/include/wx/html/winpars.h
+++ b/include/wx/html/winpars.h
@@ -249,7 +249,7 @@ private:
 
 //-----------------------------------------------------------------------------
 // wxHtmlWinTagHandler
-//                  This is basicly wxHtmlTagHandler except
+//                  This is basically wxHtmlTagHandler except
 //                  it is extended with protected member m_Parser pointing to
 //                  the wxHtmlWinParser object
 //-----------------------------------------------------------------------------
diff --git a/include/wx/image.h b/include/wx/image.h
index 3a07bc77cf..f2b5866d2d 100644
--- a/include/wx/image.h
+++ b/include/wx/image.h
@@ -401,7 +401,7 @@ public:
     // (actually shades of grey) typically when you draw anti-
     // aliased text into a bitmap. The DC drawinf routines
     // draw grey values on the black background although they
-    // actually mean to draw white with differnt alpha values.
+    // actually mean to draw white with different alpha values.
     // This method reverses it, assuming a black (!) background
     // and white text (actually only the red channel is read).
     // The method will then fill up the whole image with the
diff --git a/include/wx/log.h b/include/wx/log.h
index 90273b0457..b15199a2cd 100644
--- a/include/wx/log.h
+++ b/include/wx/log.h
@@ -804,7 +804,7 @@ public:
     // change the new log target
     void SetLog(wxLog *logger);
 
-    // this can be used to temporarily disable (and then reenable) passing
+    // this can be used to temporarily disable (and then re-enable) passing
     // messages to the old logger (by default we do pass them)
     void PassMessages(bool bDoPass) { m_bPassMessages = bDoPass; }
 
diff --git a/include/wx/longlong.h b/include/wx/longlong.h
index 3e503c97f6..fdc73878f4 100644
--- a/include/wx/longlong.h
+++ b/include/wx/longlong.h
@@ -707,7 +707,7 @@ public:
     wxLongLongWx operator-() const;
     wxLongLongWx& Negate();
 
-        // subraction
+        // subtraction
     wxLongLongWx operator-(const wxLongLongWx& ll) const;
     wxLongLongWx& operator-=(const wxLongLongWx& ll);
 
diff --git a/include/wx/meta/movable.h b/include/wx/meta/movable.h
index 6e6aac9751..aa34ad79c2 100644
--- a/include/wx/meta/movable.h
+++ b/include/wx/meta/movable.h
@@ -15,7 +15,7 @@
 
 // Helper to decide if an object of type T is "movable", i.e. if it can be
 // copied to another memory location using memmove() or realloc() C functions.
-// C++ only gurantees that POD types (including primitive types) are
+// C++ only guarantees that POD types (including primitive types) are
 // movable.
 template<typename T>
 struct wxIsMovable
diff --git a/include/wx/mimetype.h b/include/wx/mimetype.h
index c95d7775f9..0ee1952911 100644
--- a/include/wx/mimetype.h
+++ b/include/wx/mimetype.h
@@ -32,7 +32,7 @@ class WXDLLIMPEXP_FWD_BASE wxIconLocation;
 class WXDLLIMPEXP_FWD_BASE wxFileTypeImpl;
 class WXDLLIMPEXP_FWD_BASE wxMimeTypesManagerImpl;
 
-// these constants define the MIME informations source under UNIX and are used
+// these constants define the MIME information source under UNIX and are used
 // by wxMimeTypesManager::Initialize()
 enum wxMailcapStyle
 {
diff --git a/include/wx/motif/choice.h b/include/wx/motif/choice.h
index 327d7f5e81..3d27fe4707 100644
--- a/include/wx/motif/choice.h
+++ b/include/wx/motif/choice.h
@@ -102,7 +102,7 @@ public:
 protected:
     // minimum size for the text ctrl
     wxSize GetItemsSize() const;
-    // common part of all contructors
+    // common part of all constructors
     void Init();
 
     WXWidget      m_menuWidget;
diff --git a/include/wx/motif/window.h b/include/wx/motif/window.h
index f4dfda12ed..d780c0c241 100644
--- a/include/wx/motif/window.h
+++ b/include/wx/motif/window.h
@@ -310,7 +310,7 @@ private:
 // undesired effects.
 //
 // Usage: create an instance of this class on the stack to disable the size
-// optimisation, it will be reenabled as soon as the object goes out
+// optimisation, it will be re-enabled as soon as the object goes out
 // from scope.
 // ----------------------------------------------------------------------------
 
diff --git a/include/wx/msw/clipbrd.h b/include/wx/msw/clipbrd.h
index 2033e5f94d..1e4a8af52f 100644
--- a/include/wx/msw/clipbrd.h
+++ b/include/wx/msw/clipbrd.h
@@ -13,7 +13,7 @@
 
 #if wxUSE_CLIPBOARD
 
-// These functions superceded by wxClipboard, but retained in order to
+// These functions superseded by wxClipboard, but retained in order to
 // implement wxClipboard, and for compatibility.
 
 // open/close the clipboard
diff --git a/include/wx/msw/dib.h b/include/wx/msw/dib.h
index 29cf56a202..2f09804ee2 100644
--- a/include/wx/msw/dib.h
+++ b/include/wx/msw/dib.h
@@ -125,7 +125,7 @@ public:
                                    const void *bits = NULL);
 
     // create a plain DIB (not a DIB section) from a DDB, the caller is
-    // responsable for freeing it using ::GlobalFree()
+    // responsible for freeing it using ::GlobalFree()
     static HGLOBAL ConvertFromBitmap(HBITMAP hbmp);
 
     // creates a DIB from the given DDB or calculates the space needed by it:
diff --git a/include/wx/msw/listctrl.h b/include/wx/msw/listctrl.h
index 161284c25d..bafac8bc09 100644
--- a/include/wx/msw/listctrl.h
+++ b/include/wx/msw/listctrl.h
@@ -414,7 +414,7 @@ protected:
     // get the internal data object for this item (may return NULL)
     wxMSWListItemData *MSWGetItemData(long item) const;
 
-    // get the item attribute, either by quering it for virtual control, or by
+    // get the item attribute, either by querying it for virtual control, or by
     // returning the one previously set using setter methods for a normal one
     wxItemAttr *DoGetItemColumnAttr(long item, long column) const;
 
diff --git a/include/wx/msw/menu.h b/include/wx/msw/menu.h
index 7a85783060..8fa2b75a7a 100644
--- a/include/wx/msw/menu.h
+++ b/include/wx/msw/menu.h
@@ -136,7 +136,7 @@ private:
     // It is initially NULL and only allocated if we have any radio items.
     wxMenuRadioItemsData *m_radioData;
 
-    // if true, insert a breal before appending the next item
+    // if true, insert a break before appending the next item
     bool m_doBreak;
 
     // the menu handle of this menu
diff --git a/include/wx/msw/mimetype.h b/include/wx/msw/mimetype.h
index 77becd7b84..0b329e9568 100644
--- a/include/wx/msw/mimetype.h
+++ b/include/wx/msw/mimetype.h
@@ -83,7 +83,7 @@ public:
     // temporarily suppress multiple notifications that would be generated for
     // them and generate a single one at the end using MSWNotifyShell()
     // explicitly.
-    void MSWSuppressNotifications(bool supress);
+    void MSWSuppressNotifications(bool suppress);
 
     wxString
     GetExpandedCommand(const wxString& verb,
diff --git a/include/wx/msw/ole/comimpl.h b/include/wx/msw/ole/comimpl.h
index efb2d5867f..3d21bff916 100644
--- a/include/wx/msw/ole/comimpl.h
+++ b/include/wx/msw/ole/comimpl.h
@@ -56,7 +56,7 @@ extern WXDLLIMPEXP_CORE bool IsIidFromList(REFIID riid, const IID *aIids[], size
  */
 
 /*
-  wxAutoULong: this class is used for automatically initalising m_cRef to 0
+  wxAutoULong: this class is used for automatically initialising m_cRef to 0
 */
 class wxAutoULong
 {
diff --git a/include/wx/msw/private/graphicsd2d.h b/include/wx/msw/private/graphicsd2d.h
index 390799d067..1eb4f5f726 100644
--- a/include/wx/msw/private/graphicsd2d.h
+++ b/include/wx/msw/private/graphicsd2d.h
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        wx/msw/private/graphicsd2d.h
-// Purpose:     Allow functions from graphicsd2d.cpp to be used in othe files
+// Purpose:     Allow functions from graphicsd2d.cpp to be used in other files
 // Author:      New Pagodi
 // Created:     2017-10-31
 // Copyright:   (c) 2017 wxWidgets development team
diff --git a/include/wx/msw/progdlg.h b/include/wx/msw/progdlg.h
index c22a79db91..7e285bc0ed 100644
--- a/include/wx/msw/progdlg.h
+++ b/include/wx/msw/progdlg.h
@@ -64,7 +64,7 @@ private:
     // generic version does. This is done as part of DoNativeBeforeUpdate().
     void DispatchEvents();
 
-    // Updates the various timing informations for both determinate
+    // Updates the various timing information for both determinate
     // and indeterminate modes. Requires the shared object to have
     // been entered.
     void UpdateExpandedInformation(int value);
diff --git a/include/wx/msw/uxtheme.h b/include/wx/msw/uxtheme.h
index 9d7000cd3b..62f9cf88ee 100644
--- a/include/wx/msw/uxtheme.h
+++ b/include/wx/msw/uxtheme.h
@@ -33,8 +33,8 @@
 // ----------------------------------------------------------------------------
 // Definitions for legacy Windows SDKs
 // ----------------------------------------------------------------------------
-// Some defintions introduced with Windows Vista might be missing in older SDKs
-// Missing defintions are added here for compatiblity
+// Some definitions introduced with Windows Vista might be missing in older SDKs
+// Missing definitions are added here for compatibility
 
 #ifndef VSCLASS_LISTVIEW
 #define LISS_NORMAL 1
diff --git a/include/wx/odcombo.h b/include/wx/odcombo.h
index 11755fe356..7895179c32 100644
--- a/include/wx/odcombo.h
+++ b/include/wx/odcombo.h
@@ -369,7 +369,7 @@ protected:
     // NULL popup can be used to indicate default interface
     virtual void DoSetPopupControl(wxComboPopup* popup) wxOVERRIDE;
 
-    // clears all allocated client datas
+    // clears all allocated client data
     void ClearClientDatas();
 
     wxVListBoxComboPopup* GetVListBoxComboPopup() const
diff --git a/include/wx/osx/app.h b/include/wx/osx/app.h
index 89f7ec8d6a..317a0ca96f 100644
--- a/include/wx/osx/app.h
+++ b/include/wx/osx/app.h
@@ -77,7 +77,7 @@ public:
     { m_macCurrentEvent = event ; m_macCurrentEventHandlerCallRef = handler ; }
 
     // adding a CFType object to be released only at the end of the current event cycle (increases the
-    // refcount of the object passed), needed in case we are in the middle of an event concering an object
+    // refcount of the object passed), needed in case we are in the middle of an event concerning an object
     // we want to delete and cannot do it immediately
     // TODO change semantics to be in line with cocoa (make autrelease NOT increase the count)
     void                  MacAddToAutorelease( void* cfrefobj );
diff --git a/include/wx/osx/core/dataview.h b/include/wx/osx/core/dataview.h
index 2c7f2d1cf2..b1d263ba20 100644
--- a/include/wx/osx/core/dataview.h
+++ b/include/wx/osx/core/dataview.h
@@ -59,7 +59,7 @@ public:
  // item related methods
  //
   virtual bool         Add          (wxDataViewItem const& parent, wxDataViewItem const& item)       = 0; // adds an item to the native control
-  virtual bool         Add          (wxDataViewItem const& parent, wxDataViewItemArray const& itesm) = 0; // adds a items to the native control
+  virtual bool         Add          (wxDataViewItem const& parent, wxDataViewItemArray const& items) = 0; // adds items to the native control
   virtual void         Collapse     (wxDataViewItem const& item)                                     = 0; // collapses the passed item in the native control
   virtual void         EnsureVisible(wxDataViewItem const& item, wxDataViewColumn const* columnPtr)  = 0; // ensures that the passed item's value in the passed column is visible (column pointer can be NULL)
   virtual unsigned int GetCount() const                                                              = 0; // returns the number of items in the native control
@@ -103,12 +103,12 @@ public:
  //
  // other methods
  //
-  virtual void DoSetIndent (int indent)                                                                     = 0; // sets the indention in the native control
+  virtual void DoSetIndent (int indent)                                                                     = 0; // sets the indentation in the native control
   virtual void DoExpand    (wxDataViewItem const& item)                                                     = 0; // expands the passed item in the native control
 
   virtual void HitTest     (wxPoint const& point, wxDataViewItem& item, wxDataViewColumn*& columnPtr) const = 0; // return the item and column pointer that contains with the passed point
   virtual void SetRowHeight(int height)                                                                     = 0; // sets the height of all rows
-  virtual void SetRowHeight(wxDataViewItem const& item, unsigned int height)                                = 0; // sets the height of the row containg the passed item in the native control
+  virtual void SetRowHeight(wxDataViewItem const& item, unsigned int height)                                = 0; // sets the height of the row containing the passed item in the native control
   virtual void OnSize()                                                                                     = 0; // updates the layout of the native control after a size event
   virtual void StartEditor( const wxDataViewItem & item, unsigned int column )                              = 0; // starts editing the passed in item and column
 };
diff --git a/include/wx/popupwin.h b/include/wx/popupwin.h
index dfde0635ad..bd26b5445a 100644
--- a/include/wx/popupwin.h
+++ b/include/wx/popupwin.h
@@ -176,7 +176,7 @@ public:
     virtual void Popup(wxWindow *focus = NULL) wxOVERRIDE;
     virtual void Dismiss() wxOVERRIDE;
 
-    // Overridden to grab the input on some plaforms
+    // Overridden to grab the input on some platforms
     virtual bool Show( bool show = true ) wxOVERRIDE;
 
 protected:
diff --git a/include/wx/private/fswatcher.h b/include/wx/private/fswatcher.h
index e2bf55a89d..d3602f7861 100644
--- a/include/wx/private/fswatcher.h
+++ b/include/wx/private/fswatcher.h
@@ -62,7 +62,7 @@ public:
         if (!DoAdd(watch))
             return false;
 
-        // add watch to our map (always succeedes, checked above)
+        // add watch to our map (always succeeds, checked above)
         wxFSWatchEntries::value_type val(watch->GetPath(), watch);
         return m_watches.insert(val).second;
     }
diff --git a/include/wx/private/graphics.h b/include/wx/private/graphics.h
index a5f303dd47..363311eb0d 100644
--- a/include/wx/private/graphics.h
+++ b/include/wx/private/graphics.h
@@ -54,7 +54,7 @@ public :
        virtual void Set(wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0,
            wxDouble tx=0.0, wxDouble ty=0.0) = 0;
 
-       // gets the component valuess of the matrix
+       // gets the component values of the matrix
        virtual void Get(wxDouble* a=NULL, wxDouble* b=NULL,  wxDouble* c=NULL,
                         wxDouble* d=NULL, wxDouble* tx=NULL, wxDouble* ty=NULL) const = 0;
 
diff --git a/include/wx/private/window.h b/include/wx/private/window.h
index 18815b3d49..4f5f7f460f 100644
--- a/include/wx/private/window.h
+++ b/include/wx/private/window.h
@@ -76,7 +76,7 @@ public:
         }
 
         // Ensure that we return true the first time we're called,
-        // asuming that the value will always be set to a non-default value.
+        // assuming that the value will always be set to a non-default value.
         return m_value == T();
     }
 
diff --git a/include/wx/propgrid/property.h b/include/wx/propgrid/property.h
index 1b9da0271c..c88222fc22 100644
--- a/include/wx/propgrid/property.h
+++ b/include/wx/propgrid/property.h
@@ -1037,7 +1037,7 @@ public:
                                 wxPGValidationInfo& validationInfo ) const;
 
     // Converts text into wxVariant value appropriate for this property.
-    // Prameters:
+    // Parameters:
     // variant - On function entry this is the old value (should not be
     //   wxNullVariant in normal cases). Translated value must be assigned
     //   back to it.
diff --git a/include/wx/propgrid/propgrid.h b/include/wx/propgrid/propgrid.h
index ee2b620fad..fced0e19d2 100644
--- a/include/wx/propgrid/propgrid.h
+++ b/include/wx/propgrid/propgrid.h
@@ -593,7 +593,7 @@ enum wxPG_INTERNAL_FLAGS
 // used to do the very same thing, but it hasn't been updated for a while
 // and it is currently deprecated.
 // Please note that most member functions are inherited and as such not
-// documented heree. This means you will probably also want to read
+// documented here. This means you will probably also want to read
 // wxPropertyGridInterface class reference.
 // To process input from a propertygrid control, use these event handler
 // macros to direct input to member functions that take a wxPropertyGridEvent
diff --git a/include/wx/propgrid/propgridiface.h b/include/wx/propgrid/propgridiface.h
index 955b935779..90d3833846 100644
--- a/include/wx/propgrid/propgridiface.h
+++ b/include/wx/propgrid/propgridiface.h
@@ -540,7 +540,7 @@ public:
 
     // Hides or reveals a property.
     // hide - If true, hides property, otherwise reveals it.
-    // flags - By default changes are applied recursively. Set this paramter
+    // flags - By default changes are applied recursively. Set this parameter
     //   wxPG_DONT_RECURSE to prevent this.
     bool HideProperty( wxPGPropArg id,
                        bool hide = true,
diff --git a/include/wx/qt/private/winevent.h b/include/wx/qt/private/winevent.h
index 87623cf605..21f0e505b6 100644
--- a/include/wx/qt/private/winevent.h
+++ b/include/wx/qt/private/winevent.h
@@ -54,7 +54,7 @@ public:
         : Widget( parent != NULL ? parent->GetHandle() : NULL )
         , wxQtSignalHandler< Handler >( handler )
     {
-        // Set immediatelly as it is used to check if wxWindow is alive
+        // Set immediately as it is used to check if wxWindow is alive
         wxWindow::QtStoreWindowPointer( this, handler );
 
         // Handle QWidget destruction signal AFTER it gets deleted
diff --git a/include/wx/qt/window.h b/include/wx/qt/window.h
index a4d49516d8..ea29c549a5 100644
--- a/include/wx/qt/window.h
+++ b/include/wx/qt/window.h
@@ -50,7 +50,7 @@ class WXDLLIMPEXP_FWD_CORE wxQtShortcutHandler;
  * found in winevent_qt.(h|cpp) to send all Qt events here to QtHandleXXXEvent()
  * methods. All these methods receive the Qt event and the handler. This is
  * done because events of the containers (the scrolled part of the window) are
- * sent to the same wxWindow instance, that must be able to differenciate them
+ * sent to the same wxWindow instance, that must be able to differentiate them
  * as some events need different handling (paintEvent) depending on that.
  * We pass the QWidget pointer to all event handlers for consistency.
  */
diff --git a/include/wx/selstore.h b/include/wx/selstore.h
index 2cf420dc63..05e20bffb9 100644
--- a/include/wx/selstore.h
+++ b/include/wx/selstore.h
@@ -57,7 +57,7 @@ public:
     // several items at once, return true if any of them were selected
     bool OnItemsDeleted(unsigned item, unsigned numItems);
 
-    // select one item, use SelectRange() insted if possible!
+    // select one item, use SelectRange() instead if possible!
     //
     // returns true if the items selection really changed
     bool SelectItem(unsigned item, bool select = true);
diff --git a/include/wx/stackwalk.h b/include/wx/stackwalk.h
index 4bf4385f95..c74a36a929 100644
--- a/include/wx/stackwalk.h
+++ b/include/wx/stackwalk.h
@@ -143,7 +143,7 @@ public:
 #endif // wxUSE_ON_FATAL_EXCEPTION
 
 protected:
-    // this function must be overrided to process the given frame
+    // this function must be overridden to process the given frame
     virtual void OnStackFrame(const wxStackFrame& frame) = 0;
 };
 
diff --git a/include/wx/stc/stc.h b/include/wx/stc/stc.h
index 620743f186..4887511ead 100644
--- a/include/wx/stc/stc.h
+++ b/include/wx/stc/stc.h
@@ -3074,7 +3074,7 @@ public:
     // Set the background colour used for a particular marker number when its folding block is selected.
     void MarkerSetBackgroundSelected(int markerNumber, const wxColour& back);
 
-    // Enable/disable highlight for current folding bloc (smallest one that contains the caret)
+    // Enable/disable highlight for current folding block (smallest one that contains the caret)
     void MarkerEnableHighlight(bool enabled);
 
     // Add a marker to a line, returning an ID which can be used to find or delete the marker.
diff --git a/include/wx/testing.h b/include/wx/testing.h
index 4ecf23e543..6f55d106ee 100644
--- a/include/wx/testing.h
+++ b/include/wx/testing.h
@@ -320,7 +320,7 @@ public:
 
     // Called to verify that all expectations were met. This cannot be done in
     // the destructor, because ReportFailure() may throw (either because it's
-    // overriden or because wx's assertions handling is, globally). And
+    // overridden or because wx's assertions handling is, globally). And
     // throwing from the destructor would introduce all sort of problems,
     // including messing up the order of errors in some cases.
     void CheckUnmetExpectations()
diff --git a/include/wx/treebook.h b/include/wx/treebook.h
index 0bbc5eef8c..7bd8451259 100644
--- a/include/wx/treebook.h
+++ b/include/wx/treebook.h
@@ -195,7 +195,7 @@ private:
     // from m_tree (wxTreeCtrl) component.
     int DoInternalFindPageById(wxTreeItemId page) const;
 
-    // Updates page and wxTreeItemId correspondance.
+    // Updates page and wxTreeItemId correspondence.
     void DoInternalAddPage(size_t newPos, wxWindow *page, wxTreeItemId pageId);
 
     // Removes the page from internal structure.
diff --git a/include/wx/unichar.h b/include/wx/unichar.h
index 1fc45eb937..fc8d7d1493 100644
--- a/include/wx/unichar.h
+++ b/include/wx/unichar.h
@@ -121,7 +121,7 @@ public:
     wxUint16 LowSurrogate() const { return LowSurrogate(m_value); }
 
     // Conversions to char and wchar_t types: all of those are needed to be
-    // able to pass wxUniChars to verious standard narrow and wide character
+    // able to pass wxUniChars to various standard narrow and wide character
     // functions
     operator char() const { return To8bit(m_value); }
     operator unsigned char() const { return (unsigned char)To8bit(m_value); }
diff --git a/include/wx/univ/renderer.h b/include/wx/univ/renderer.h
index bc9438ec77..986535c2be 100644
--- a/include/wx/univ/renderer.h
+++ b/include/wx/univ/renderer.h
@@ -360,7 +360,7 @@ public:
     // ------------------
 
     // get the dimensions of the border: rect.x/y contain the width/height of
-    // the left/top side, width/heigh - of the right/bottom one
+    // the left/top side, width/height - of the right/bottom one
     virtual wxRect GetBorderDimensions(wxBorder border) const = 0;
 
     // the scrollbars may be drawn either inside the window border or outside
@@ -397,7 +397,7 @@ public:
 
 #if wxUSE_TEXTCTRL
     // convert between text rectangle and client rectangle for text controls:
-    // the former is typicall smaller to leave margins around text
+    // the former is typically smaller to leave margins around text
     virtual wxRect GetTextTotalArea(const wxTextCtrl *text,
                                     const wxRect& rectText) const = 0;
 
diff --git a/include/wx/univ/scrolbar.h b/include/wx/univ/scrolbar.h
index d0bb4aad1a..7b15bc1be8 100644
--- a/include/wx/univ/scrolbar.h
+++ b/include/wx/univ/scrolbar.h
@@ -131,7 +131,7 @@ protected:
     virtual void DoDraw(wxControlRenderer *renderer) wxOVERRIDE;
     virtual wxBorder GetDefaultBorder() const wxOVERRIDE { return wxBORDER_NONE; }
 
-    // forces update of thumb's visual appearence (does nothing if m_dirty=false)
+    // forces update of thumb's visual appearance (does nothing if m_dirty=false)
     void UpdateThumb();
 
     // SetThumbPosition() helper
diff --git a/include/wx/univ/stdrend.h b/include/wx/univ/stdrend.h
index c402ad0366..06077e57f5 100644
--- a/include/wx/univ/stdrend.h
+++ b/include/wx/univ/stdrend.h
@@ -269,7 +269,7 @@ protected:
         // draw complete rectangle
     void DrawRect(wxDC& dc, wxRect *rect, const wxPen& pen);
 
-        // draw the rectange using the first pen for the left and top sides
+        // draw the rectangle using the first pen for the left and top sides
         // and the second one for the bottom and right ones
     void DrawShadedRect(wxDC& dc, wxRect *rect,
                         const wxPen& pen1, const wxPen& pen2);
diff --git a/include/wx/utils.h b/include/wx/utils.h
index 4588479e98..1ac67eeff8 100644
--- a/include/wx/utils.h
+++ b/include/wx/utils.h
@@ -154,7 +154,7 @@ WXDLLIMPEXP_BASE bool wxIsPlatformLittleEndian();
 WXDLLIMPEXP_BASE bool wxIsPlatform64Bit();
 
 #ifdef __LINUX__
-// Get linux-distro informations
+// Get linux-distro information
 WXDLLIMPEXP_BASE wxLinuxDistributionInfo wxGetLinuxDistributionInfo();
 #endif
 
@@ -178,7 +178,7 @@ WXDLLIMPEXP_CORE bool wxGetKeyState(wxKeyCode key);
 // in wxMSW.
 WXDLLIMPEXP_CORE bool wxSetDetectableAutoRepeat( bool flag );
 
-// Returns the current state of the mouse position, buttons and modifers
+// Returns the current state of the mouse position, buttons and modifiers
 WXDLLIMPEXP_CORE wxMouseState wxGetMouseState();
 
 #endif // wxUSE_GUI
@@ -802,7 +802,7 @@ inline struct _XDisplay *wxGetX11Display()
 // wxYield(): these functions are obsolete, please use wxApp methods instead!
 // ----------------------------------------------------------------------------
 
-// avoid redeclaring this function here if it had been already declated by
+// avoid redeclaring this function here if it had been already declared by
 // wx/app.h, this results in warnings from g++ with -Wredundant-decls
 #ifndef wx_YIELD_DECLARED
 #define wx_YIELD_DECLARED
diff --git a/include/wx/vscroll.h b/include/wx/vscroll.h
index 550d2cd471..97f8edf17f 100644
--- a/include/wx/vscroll.h
+++ b/include/wx/vscroll.h
@@ -133,7 +133,7 @@ public:
     void HandleOnMouseWheel(wxMouseEvent& event);
 #endif // wxUSE_MOUSEWHEEL
 
-    // these functions must be overidden in the derived class to return
+    // these functions must be overridden in the derived class to return
     // orientation specific data (e.g. the width for vertically scrolling
     // derivatives in the case of GetOrientationTargetSize())
     virtual int GetOrientationTargetSize() const = 0;
diff --git a/include/wx/wxcrt.h b/include/wx/wxcrt.h
index d15458cd85..24a9aea378 100644
--- a/include/wx/wxcrt.h
+++ b/include/wx/wxcrt.h
@@ -490,7 +490,7 @@ inline int wxStrcoll_String(const wxString& s1, const T& s2)
 }
 
 #ifndef wxNEEDS_DECL_BEFORE_TEMPLATE
-// this is exactly the same WX_STRCMP_FUNC line as above, insde the
+// this is exactly the same WX_STRCMP_FUNC line as above, inside the
 // wxNEEDS_DECL_BEFORE_TEMPLATE case
 WX_STRCMP_FUNC(wxStrcoll, wxCRT_StrcollA, wxCRT_StrcollW, wxStrcoll_String)
 #endif
diff --git a/include/wx/x11/window.h b/include/wx/x11/window.h
index c0f0add91f..bfe6b3ffb7 100644
--- a/include/wx/x11/window.h
+++ b/include/wx/x11/window.h
@@ -203,7 +203,7 @@ private:
 // undesired effects.
 //
 // Usage: create an instance of this class on the stack to disable the size
-// optimisation, it will be reenabled as soon as the object goes out from scope.
+// optimisation, it will be re-enabled as soon as the object goes out from scope.
 // ----------------------------------------------------------------------------
 
 class WXDLLIMPEXP_CORE wxNoOptimize
diff --git a/include/wx/xml/xml.h b/include/wx/xml/xml.h
index e6c8c36e10..a596ae92e4 100644
--- a/include/wx/xml/xml.h
+++ b/include/wx/xml/xml.h
@@ -171,7 +171,7 @@ public:
     void SetAttributes(wxXmlAttribute *attr) { m_attrs = attr; }
     virtual void AddAttribute(wxXmlAttribute *attr);
 
-    // If true, don't do encoding conversion to improve efficiency - node content is ACII text
+    // If true, don't do encoding conversion to improve efficiency - node content is ASCII text
     bool GetNoConversion() const { return m_noConversion; }
     void SetNoConversion(bool noconversion) { m_noConversion = noconversion; }
 
diff --git a/include/wx/xtistrm.h b/include/wx/xtistrm.h
index 9c9bef5372..a6e3fa8809 100644
--- a/include/wx/xtistrm.h
+++ b/include/wx/xtistrm.h
@@ -233,7 +233,7 @@ public:
     // The return value is the root object ID, which can
     // then be used to ask the depersister about that object
     // if there was a problem you will get back wxInvalidObjectID and the current
-    // error log will carry the problems encoutered
+    // error log will carry the problems encountered
     virtual int ReadObject( const wxString &name, wxObjectReaderCallback *readercallback ) = 0;
 
 private:
diff --git a/include/wx/xtitypes.h b/include/wx/xtitypes.h
index 47ee22b17c..c0a1bcc9e4 100644
--- a/include/wx/xtitypes.h
+++ b/include/wx/xtitypes.h
@@ -263,7 +263,7 @@ void wxFlagsToString( wxString &s, const e& data )
 //  The first characterization is done by wxTypeKind. All enums up to and including
 //  wxT_CUSTOM represent so called simple types. These cannot be divided any further.
 //  They can be converted to and from wxStrings, that's all.
-//  Other wxTypeKinds can instead be splitted recursively into smaller parts until
+//  Other wxTypeKinds can instead be split recursively into smaller parts until
 //  the simple types are reached.
 
 enum wxTypeKind
diff --git a/interface/wx/aui/auibar.h b/interface/wx/aui/auibar.h
index f7dee0092f..2c118bd19b 100644
--- a/interface/wx/aui/auibar.h
+++ b/interface/wx/aui/auibar.h
@@ -90,7 +90,7 @@ enum wxAuiToolBarStyle
 enum wxAuiToolBarArtSetting
 {
     /**
-      wxAuiToolBar seperator size.
+      wxAuiToolBar separator size.
     */
     wxAUI_TBART_SEPARATOR_SIZE = 0,
 
diff --git a/interface/wx/bitmap.h b/interface/wx/bitmap.h
index 98dacbb6f5..ca97a3d20e 100644
--- a/interface/wx/bitmap.h
+++ b/interface/wx/bitmap.h
@@ -445,7 +445,7 @@ public:
         @param height
             The height of the bitmap in pixels, must be strictly positive.
         @param dc
-            DC from wich the scaling factor is inherited
+            DC from which the scaling factor is inherited
 
         @return @true if the creation was successful.
 
diff --git a/interface/wx/config.h b/interface/wx/config.h
index 3b4fdc40c1..bff8d675eb 100644
--- a/interface/wx/config.h
+++ b/interface/wx/config.h
@@ -894,7 +894,7 @@ public:
 
     For example:
     @code
-    // this function loads somes settings from the given wxConfig object;
+    // this function loads some settings from the given wxConfig object;
     // the path selected inside it is left unchanged
     bool LoadMySettings(wxConfigBase* cfg)
     {
diff --git a/interface/wx/datetime.h b/interface/wx/datetime.h
index fc88a79dd6..3d5fb42268 100644
--- a/interface/wx/datetime.h
+++ b/interface/wx/datetime.h
@@ -489,7 +489,7 @@ public:
 
         Here are the trivial accessors. Other functions, which might have to
         perform some more complicated calculations to find the answer are under
-        the "Date Arithmetics" section.
+        the "Date Arithmetic" section.
     */
     //@{
 
@@ -738,10 +738,10 @@ public:
 
 
     /**
-        @name Date Arithmetics
+        @name Date Arithmetic
 
         These functions carry out
-        @ref overview_datetime_arithmetics "arithmetics" on the wxDateTime
+        @ref overview_datetime_arithmetics "arithmetic" on the wxDateTime
         objects. As explained in the overview, either wxTimeSpan or wxDateSpan
         may be added to wxDateTime, hence all functions are overloaded to
         accept both arguments.
diff --git a/interface/wx/dnd.h b/interface/wx/dnd.h
index 2b0b53d50a..007a137efa 100644
--- a/interface/wx/dnd.h
+++ b/interface/wx/dnd.h
@@ -146,7 +146,7 @@ public:
     /**
        Sets the default action for drag and drop.  Use wxDragMove or
        wxDragCopy to set default action to move or copy and use wxDragNone
-       (default) to set default action specified by initialization of draging
+       (default) to set default action specified by initialization of dragging
        (see wxDropSource::DoDragDrop())
     */
     void SetDefaultAction(wxDragResult action);
diff --git a/interface/wx/gauge.h b/interface/wx/gauge.h
index 68ccb2a068..74954d3c0e 100644
--- a/interface/wx/gauge.h
+++ b/interface/wx/gauge.h
@@ -13,7 +13,7 @@
 #define wxGA_HORIZONTAL      wxHORIZONTAL
 #define wxGA_VERTICAL        wxVERTICAL
 
-// Available since Windows 7 only. With this style, the value of guage will
+// Available since Windows 7 only. With this style, the value of gauge will
 // reflect on the taskbar button.
 #define wxGA_PROGRESS        0x0010
 // Win32 only, is default (and only) on some other platforms
diff --git a/interface/wx/generic/aboutdlgg.h b/interface/wx/generic/aboutdlgg.h
index f20ff007a4..504ec922b5 100644
--- a/interface/wx/generic/aboutdlgg.h
+++ b/interface/wx/generic/aboutdlgg.h
@@ -22,7 +22,7 @@
     To instantiate an object from your wxGenericAboutDialog-based class, you
     can use either the default constructor followed by a call to Create(), or
     directly using the alternate constructor. In either case, you have to
-    prepare a wxAboutDialogInfo containing standard informations to display in
+    prepare a wxAboutDialogInfo containing standard information to display in
     an about-box.
 
     Example of usage, MyAboutDlg being a class derived from wxGenericAboutDialog:
diff --git a/interface/wx/grid.h b/interface/wx/grid.h
index aa9a6b4a45..413e91fbce 100644
--- a/interface/wx/grid.h
+++ b/interface/wx/grid.h
@@ -99,7 +99,7 @@ public:
         GetBestSize() should be called for each cell individually.
 
         Note that this method will only be used if
-        wxGridTableBase::CanMeasureColUsingSameAttr() is overriden to return
+        wxGridTableBase::CanMeasureColUsingSameAttr() is overridden to return
         @true.
 
         @since 3.1.4
@@ -1326,7 +1326,7 @@ public:
         Returns @true if the cell will draw an overflowed text into the
         neighbouring cells.
 
-        Note that only left aligned cells currenty can overflow. It means that
+        Note that only left aligned cells currently can overflow. It means that
         GetFitMode().IsOverflow() should returns true and GetAlignment should
         returns wxALIGN_LEFT for hAlign parameter.
 
diff --git a/interface/wx/log.h b/interface/wx/log.h
index 213365b5d2..7835e29f5e 100644
--- a/interface/wx/log.h
+++ b/interface/wx/log.h
@@ -668,7 +668,7 @@ public:
         By default, the log messages are passed to the previously active log target.
         Calling this function with @false parameter disables this behaviour
         (presumably temporarily, as you shouldn't use wxLogChain at all otherwise) and
-        it can be reenabled by calling it again with @a passMessages set to @true.
+        it can be re-enabled by calling it again with @a passMessages set to @true.
     */
     void PassMessages(bool passMessages);
 
diff --git a/interface/wx/object.h b/interface/wx/object.h
index 653fda5942..f6825ca128 100644
--- a/interface/wx/object.h
+++ b/interface/wx/object.h
@@ -625,7 +625,7 @@ public:
 
     /**
         Conversion to a boolean expression (in a variant which is not
-        convertable to anything but a boolean expression).
+        convertible to anything but a boolean expression).
 
         If this class contains a valid pointer it will return @true, if it contains
         a @NULL pointer it will return @false.
diff --git a/interface/wx/propgrid/property.h b/interface/wx/propgrid/property.h
index 81ddefd9d1..c2e64ea810 100644
--- a/interface/wx/propgrid/property.h
+++ b/interface/wx/propgrid/property.h
@@ -469,7 +469,7 @@ wxPG_PROP_CLASS_SPECIFIC_3          = 0x00400000
     @subsection wxIntProperty
 
     It derives from wxNumericProperty and displays value as a signed long integer.
-    wxIntProperty seamlessly supports 64-bit integers (i.e. wxLongLong) on overlfow.
+    wxIntProperty seamlessly supports 64-bit integers (i.e. wxLongLong) on overflow.
     To safely convert variant to integer, use code like this:
 
     @code
@@ -1397,7 +1397,7 @@ public:
         Returns property attribute value, null variant if not found.
 
         @remarks
-        For built-in atrribute returns null variant if extra style
+        For built-in attribute returns null variant if extra style
         ::wxPG_EX_WRITEONLY_BUILTIN_ATTRIBUTES is set.
     */
     wxVariant GetAttribute( const wxString& name ) const;
@@ -1405,7 +1405,7 @@ public:
     /** Returns named attribute, as string, if found. Otherwise @a defVal is returned.
 
         @remarks
-        For built-in atrribute returns @a defVal if extra style
+        For built-in attribute returns @a defVal if extra style
         ::wxPG_EX_WRITEONLY_BUILTIN_ATTRIBUTES is set.
     */
     wxString GetAttribute( const wxString& name, const wxString& defVal ) const;
@@ -1413,7 +1413,7 @@ public:
     /** Returns named attribute, as long, if found. Otherwise @a defVal is returned.
 
         @remarks
-        For built-in atrribute returns @a defVal if extra style
+        For built-in attribute returns @a defVal if extra style
         ::wxPG_EX_WRITEONLY_BUILTIN_ATTRIBUTES is set.
     */
     long GetAttributeAsLong( const wxString& name, long defVal ) const;
@@ -1421,7 +1421,7 @@ public:
     /** Returns named attribute, as double, if found. Otherwise @a defVal is returned.
 
         @remarks
-        For built-in atrribute returns @a defVal if extra style
+        For built-in attribute returns @a defVal if extra style
         ::wxPG_EX_WRITEONLY_BUILTIN_ATTRIBUTES is set.
     */
     double GetAttributeAsDouble( const wxString& name, double defVal ) const;
diff --git a/interface/wx/ribbon/toolbar.h b/interface/wx/ribbon/toolbar.h
index d022044b4e..cb6045d665 100644
--- a/interface/wx/ribbon/toolbar.h
+++ b/interface/wx/ribbon/toolbar.h
@@ -315,7 +315,7 @@ public:
     virtual size_t GetToolCount() const;
 
     /**
-        Return the id assciated to the tool opaque structure.
+        Return the id associated to the tool opaque structure.
 
         The structure pointer must not be @NULL.
 
diff --git a/interface/wx/richtext/richtextctrl.h b/interface/wx/richtext/richtextctrl.h
index 2346593a3a..387391b67c 100644
--- a/interface/wx/richtext/richtextctrl.h
+++ b/interface/wx/richtext/richtextctrl.h
@@ -1206,7 +1206,7 @@ public:
     bool EndParagraphSpacing();
 
     /**
-        Begins appling line spacing. @e spacing is a multiple, where 10 means
+        Begins applying line spacing. @e spacing is a multiple, where 10 means
         single-spacing, 15 means 1.5 spacing, and 20 means double spacing.
 
         The ::wxTextAttrLineSpacing constants are defined for convenience.
diff --git a/interface/wx/stackwalk.h b/interface/wx/stackwalk.h
index 808796583f..fea6d64ee7 100644
--- a/interface/wx/stackwalk.h
+++ b/interface/wx/stackwalk.h
@@ -86,7 +86,7 @@ public:
 
 protected:
     /**
-        This function must be overidden to process the given frame.
+        This function must be overridden to process the given frame.
     */
     virtual void OnStackFrame(const wxStackFrame& frame) = 0;
 };
diff --git a/interface/wx/stc/stc.h b/interface/wx/stc/stc.h
index 0017de3b12..dc408983ab 100644
--- a/interface/wx/stc/stc.h
+++ b/interface/wx/stc/stc.h
@@ -5324,7 +5324,7 @@ public:
     void MarkerSetBackgroundSelected(int markerNumber, const wxColour& back);
 
     /**
-        Enable/disable highlight for current folding bloc (smallest one that contains the caret)
+        Enable/disable highlight for current folding block (smallest one that contains the caret)
     */
     void MarkerEnableHighlight(bool enabled);
 
@@ -7927,7 +7927,7 @@ public:
     @section event_types Event Types
 
     The following is a brief description of when the control generates these
-    events and a list of which methods provide relevent information.  Additional
+    events and a list of which methods provide relevant information.  Additional
     details can be found in the Scintilla documentation
     (http://www.scintilla.org/ScintillaDoc.html#Notifications).
 
diff --git a/interface/wx/treelist.h b/interface/wx/treelist.h
index 19633a3204..2b31701141 100644
--- a/interface/wx/treelist.h
+++ b/interface/wx/treelist.h
@@ -90,7 +90,7 @@ public:
     /**
         Default constructor.
 
-        Notice that this class is not copyable, comparators are not passed by
+        Notice that this class is not copiable, comparators are not passed by
         value.
      */
     wxTreeListItemComparator();
diff --git a/interface/wx/ustring.h b/interface/wx/ustring.h
index 8f9d59162c..24cdb56736 100644
--- a/interface/wx/ustring.h
+++ b/interface/wx/ustring.h
@@ -19,7 +19,7 @@
 
     The main purpose of wxUString is a to give users a Unicode string
     class that has O(1) access to its content, to be identical on all
-    platforms and to be easily convertable to wxString as well as other
+    platforms and to be easily convertible to wxString as well as other
     ways to store strings (C string literals, wide character
     string literals, character buffer, etc) by providing several overloads
     and built-in conversions to and from the various string formats.
diff --git a/interface/wx/valtext.h b/interface/wx/valtext.h
index de93979acc..5416db7044 100644
--- a/interface/wx/valtext.h
+++ b/interface/wx/valtext.h
@@ -62,7 +62,7 @@ enum wxTextValidatorStyle
     /// wxFILTER_ASCII, wxFILTER_ALPHA, wxFILTER_ALPHANUMERIC, wxFILTER_DIGITS,
     /// wxFILTER_XDIGITS, wxFILTER_NUMERIC it just extends the character class
     /// denoted by the aforementioned styles with those specified in the include
-    /// char list. If set alone, then the charactes allowed to be in the user input
+    /// char list. If set alone, then the characters allowed to be in the user input
     /// are restricted to those, and only those, present in the include char list.
     wxFILTER_INCLUDE_CHAR_LIST,
 
diff --git a/interface/wx/webview.h b/interface/wx/webview.h
index bae8d6c498..61d694b063 100644
--- a/interface/wx/webview.h
+++ b/interface/wx/webview.h
@@ -164,7 +164,7 @@ class wxWebViewHistoryItem
 {
 public:
     /**
-        Construtor.
+        Constructor.
     */
     wxWebViewHistoryItem(const wxString& url, const wxString& title);
 
diff --git a/interface/wx/window.h b/interface/wx/window.h
index c6daa5ee0f..4dcfbd7e4e 100644
--- a/interface/wx/window.h
+++ b/interface/wx/window.h
@@ -1964,7 +1964,7 @@ public:
         Freezes the window or, in other words, prevents any updates from taking
         place on screen, the window is not redrawn at all.
 
-        Thaw() must be called to reenable window redrawing. Calls to these two
+        Thaw() must be called to re-enable window redrawing. Calls to these two
         functions may be nested but to ensure that the window is properly
         repainted again, you must thaw it exactly as many times as you froze it.
 
@@ -2855,7 +2855,7 @@ public:
 
     /**
         Enable or disable the window for user input. Note that when a parent window is
-        disabled, all of its children are disabled as well and they are reenabled again
+        disabled, all of its children are disabled as well and they are re-enabled again
         when the parent is.
 
         A window can be created initially disabled by calling this method on it
diff --git a/misc/scripts/codespell.ignore b/misc/scripts/codespell.ignore
new file mode 100644
index 0000000000..913a7b6c48
--- /dev/null
+++ b/misc/scripts/codespell.ignore
@@ -0,0 +1,6 @@
+convertor
+malcom
+ot
+othere
+seh
+ser