diff --git a/include/wx/fswatcher.h b/include/wx/fswatcher.h
index a29ff834e6..388fbc9c0f 100644
--- a/include/wx/fswatcher.h
+++ b/include/wx/fswatcher.h
@@ -337,7 +337,7 @@ public:
     int GetWatchedPathsCount() const;
 
     /**
-     * Retrevies all watched paths and places them in wxArrayString. Returns
+     * Retrieves all watched paths and places them in wxArrayString. Returns
      * the number of paths.
      *
      * TODO think about API here: we need to return more information (like is
diff --git a/include/wx/html/htmlwin.h b/include/wx/html/htmlwin.h
index b91304d16e..8a81f1bd52 100644
--- a/include/wx/html/htmlwin.h
+++ b/include/wx/html/htmlwin.h
@@ -146,7 +146,7 @@ protected:
     /**
         Virtual dtor.
 
-        It is not really needed in this case but at leats it prevents gcc from
+        It is not really needed in this case, but at least it prevents gcc from
         complaining about its absence.
      */
     virtual ~wxHtmlWindowMouseHelper() { }
diff --git a/include/wx/msw/ole/safearray.h b/include/wx/msw/ole/safearray.h
index fb5c70a399..02d052d54f 100644
--- a/include/wx/msw/ole/safearray.h
+++ b/include/wx/msw/ole/safearray.h
@@ -294,7 +294,7 @@ public:
         Converts the array to a wxVariant with the list type, regardless of the
         underlying SAFEARRAY type.
 
-        If the array is multidimensional, it is flattened using the alghoritm
+        If the array is multidimensional, it is flattened using the algorithm
         originally employed in wxConvertOleToVariant().
     */
     bool ConvertToVariant(wxVariant& variant) const
@@ -327,7 +327,7 @@ public:
         Converts an array to an ArrayString.
 
         Can be called only for wxSafeArray<VT_BSTR>. If the array is
-        multidimensional, it is flattened using the alghoritm originally
+        multidimensional, it is flattened using the algorithm originally
         employed in wxConvertOleToVariant().
     */
     bool ConvertToArrayString(wxArrayString& strings) const
diff --git a/include/wx/osx/core/cfdataref.h b/include/wx/osx/core/cfdataref.h
index 54e7498243..8917451b16 100644
--- a/include/wx/osx/core/cfdataref.h
+++ b/include/wx/osx/core/cfdataref.h
@@ -40,7 +40,7 @@ public:
                     to transfer ownership of that reference to this ref holder.  If the object comes from
                     a Create or Copy method then this is the correct behaviour.  If the object comes from
                     a Get method then you must CFRetain it yourself before passing it to this constructor.
-                    A handy way to do this is to use the non-member wxCFRefFromGet factory funcion.
+                    A handy way to do this is to use the non-member wxCFRefFromGet factory function.
                     This method is templated and takes an otherType *p.  This prevents implicit conversion
                     using an operator refType() in a different ref-holding class type.
     */
diff --git a/include/wx/osx/core/cfdictionary.h b/include/wx/osx/core/cfdictionary.h
index 2088450060..5c2c3b4f93 100644
--- a/include/wx/osx/core/cfdictionary.h
+++ b/include/wx/osx/core/cfdictionary.h
@@ -41,7 +41,7 @@ public:
      to transfer ownership of that reference to this ref holder.  If the object comes from
      a Create or Copy method then this is the correct behaviour.  If the object comes from
      a Get method then you must CFRetain it yourself before passing it to this constructor.
-     A handy way to do this is to use the non-member wxCFRefFromGet factory funcion.
+     A handy way to do this is to use the non-member wxCFRefFromGet factory function.
      This method is templated and takes an otherType *p.  This prevents implicit conversion
      using an operator refType() in a different ref-holding class type.
      */
diff --git a/include/wx/osx/core/cfref.h b/include/wx/osx/core/cfref.h
index 54580da695..b441693779 100644
--- a/include/wx/osx/core/cfref.h
+++ b/include/wx/osx/core/cfref.h
@@ -172,7 +172,7 @@ public:
      to transfer ownership of that reference to this ref holder.  If the object comes from
      a Create or Copy method then this is the correct behaviour.  If the object comes from
      a Get method then you must CFRetain it yourself before passing it to this constructor.
-     A handy way to do this is to use the non-member wxCFRefFromGet factory funcion.
+     A handy way to do this is to use the non-member wxCFRefFromGet factory function.
      */
     wxCFRef(refType p) : m_ptr(p)
     {
@@ -186,7 +186,7 @@ public:
                     to transfer ownership of that reference to this ref holder.  If the object comes from
                     a Create or Copy method then this is the correct behaviour.  If the object comes from
                     a Get method then you must CFRetain it yourself before passing it to this constructor.
-                    A handy way to do this is to use the non-member wxCFRefFromGet factory funcion.
+                    A handy way to do this is to use the non-member wxCFRefFromGet factory function.
                     This method is templated and takes an otherType *p.  This prevents implicit conversion
                     using an operator refType() in a different ref-holding class type.
     */
diff --git a/include/wx/private/fontmgr.h b/include/wx/private/fontmgr.h
index c00270a6b1..76f2210f6e 100644
--- a/include/wx/private/fontmgr.h
+++ b/include/wx/private/fontmgr.h
@@ -70,7 +70,7 @@ public:
 
         @param ptSize   point size of the font to create; note that this is
                         a float and not integer, it should be wxFont's point
-                        size multipled by wxDC's scale factor
+                        size multiplied by wxDC's scale factor
         @param aa       should the font be antialiased?
      */
     virtual wxFontInstance *GetFontInstance(float ptSize, bool aa);
@@ -98,7 +98,7 @@ public:
     /// Returns name of the bundle
     virtual wxString GetName() const = 0;
 
-    /// Returns true if the font is fixe-width
+    /// Returns true if the font is fixed-width
     virtual bool IsFixed() const = 0;
 
     /// Type of faces in the bundle
diff --git a/include/wx/richtext/richtextbuffer.h b/include/wx/richtext/richtextbuffer.h
index 3320f27ba1..a3a900dde1 100644
--- a/include/wx/richtext/richtextbuffer.h
+++ b/include/wx/richtext/richtextbuffer.h
@@ -505,7 +505,7 @@ public:
 
     /**
         Partial equality test. If @a weakTest is @true, attributes of this object do not
-        have to be present if those attributes of @a dim sare present. If @a weakTest is
+        have to be present if those attributes of @a dims are present. If @a weakTest is
         @false, the function will fail if an attribute is present in @a dims but not
         in this object.
 
diff --git a/include/wx/richtext/richtextctrl.h b/include/wx/richtext/richtextctrl.h
index a15fe4e681..075f10df2a 100644
--- a/include/wx/richtext/richtextctrl.h
+++ b/include/wx/richtext/richtextctrl.h
@@ -1247,7 +1247,7 @@ public:
     bool EndParagraphSpacing() { return GetBuffer().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.
@@ -1497,7 +1497,7 @@ public:
     virtual bool WordLeft(int noPages = 1, int flags = 0);
 
     /**
-        Move a nuber of words to the right.
+        Move a number of words to the right.
     */
     virtual bool WordRight(int noPages = 1, int flags = 0);
 
diff --git a/interface/wx/richtext/richtextbuffer.h b/interface/wx/richtext/richtextbuffer.h
index b86c9bd32f..b58125debd 100644
--- a/interface/wx/richtext/richtextbuffer.h
+++ b/interface/wx/richtext/richtextbuffer.h
@@ -385,7 +385,7 @@ public:
 
     /**
         Partial equality test. If @a weakTest is @true, attributes of this object do not
-        have to be present if those attributes of @a dim sare present. If @a weakTest is
+        have to be present if those attributes of @a dims are present. If @a weakTest is
         @false, the function will fail if an attribute is present in @a dims but not
         in this object.
 
diff --git a/interface/wx/richtext/richtextctrl.h b/interface/wx/richtext/richtextctrl.h
index da43e12720..3af29d13a5 100644
--- a/interface/wx/richtext/richtextctrl.h
+++ b/interface/wx/richtext/richtextctrl.h
@@ -1453,7 +1453,7 @@ public:
     virtual bool WordLeft(int noPages = 1, int flags = 0);
 
     /**
-        Move a nuber of words to the right.
+        Move a number of words to the right.
     */
     virtual bool WordRight(int noPages = 1, int flags = 0);
 
diff --git a/src/common/xpmdecod.cpp b/src/common/xpmdecod.cpp
index f76418958c..4449f2a699 100644
--- a/src/common/xpmdecod.cpp
+++ b/src/common/xpmdecod.cpp
@@ -246,7 +246,7 @@ wxImage wxXPMDecoder::ReadFile(wxInputStream& stream)
 * A hard coded rgb.txt. To keep it short I removed all colornames with        *
 * trailing numbers, Blue3 etc, except the GrayXX. Sorry Grey-lovers I prefer  *
 * Gray ;-). But Grey is recognized on lookups, only on save Gray will be      *
-* used, maybe you want to do some substitue there too.                        *
+* used, maybe you want to do some substitute there too.                        *
 *                                                                             *
 * To save memory the RGBs are coded in one long value, as done by the RGB     *
 * macro.                                                                      *
diff --git a/src/gtk/radiobox.cpp b/src/gtk/radiobox.cpp
index 635fba4a87..b75e127ecd 100644
--- a/src/gtk/radiobox.cpp
+++ b/src/gtk/radiobox.cpp
@@ -290,7 +290,7 @@ bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
                          // So far we assumed that label doesn't contain mnemonic
                          // and therefore single underscore characters were not
                          // replaced by two underscores. Now we have to double
-                         // all exisiting underscore characters.
+                         // all existing underscore characters.
                          label.Replace(wxS("_"), wxS("__"));
                          label += wxS('_');
                      }
diff --git a/src/html/chm.cpp b/src/html/chm.cpp
index 1ae32fb805..37012f4e23 100644
--- a/src/html/chm.cpp
+++ b/src/html/chm.cpp
@@ -201,7 +201,7 @@ bool wxChmTools::Contains(const wxString& pattern)
 /**
  * Find()
  *
- * Finds the next file descibed by a pattern in the archive, starting
+ * Finds the next file described by a pattern in the archive, starting
  * the file given by second parameter
  *
  * @param pattern   The file-pattern to search for. May contain '*' and/or '?'
@@ -410,7 +410,7 @@ private:
 /**
  * Constructor
  * @param archive  The name of the .chm archive. Remember that archive must
- *                 be local file accesible via fopen, fread functions!
+ *                 be local file accessible via fopen, fread functions!
  * @param filename The Name of the file to be extracted from archive
  * @param simulate if true than class should simulate .HHP-File based on #SYSTEM
  *                 if false than class does nothing if it doesn't find .hhp
@@ -553,8 +553,8 @@ wxFileOffset wxChmInputStream::OnSysSeek(wxFileOffset seek, wxSeekMode mode)
 
 /**
  * Help Browser tries to read the contents of the
- * file by interpreting a .hhp file in the Archiv.
- * For .chm doesn't include such a file, we need
+ * file by interpreting a .hhp file in the Archive.
+ * Because .chm doesn't include such a file, we need
  * to rebuild the information based on stored
  * system-files.
  */
diff --git a/src/motif/dcclient.cpp b/src/motif/dcclient.cpp
index a259100ee7..6bf809572f 100644
--- a/src/motif/dcclient.cpp
+++ b/src/motif/dcclient.cpp
@@ -2058,7 +2058,7 @@ void wxWindowDCImpl::SetDCClipping( WXRegion userRegion )
                           m_clipRegion );
     }
     // intersect the user region, if any, with the
-    // exisiting clip region
+    // existing clip region
     else // if( userRegion )
     {
         if( !m_clipRegion )
diff --git a/src/msw/mediactrl_wmp10.cpp b/src/msw/mediactrl_wmp10.cpp
index d6a80fbacf..955303ca58 100644
--- a/src/msw/mediactrl_wmp10.cpp
+++ b/src/msw/mediactrl_wmp10.cpp
@@ -29,7 +29,7 @@
 //
 // The ActiveX control itself is particularly stubborn, calling
 // IOleInPlaceSite::OnPosRectChange every file change trying to set itself
-// to something different then what we told it to before.
+// to something different from what we told it to before.
 //
 // The docs are at
 // http://msdn.microsoft.com/library/en-us/wmplay10/mmp_sdk/windowsmediaplayer10sdk.asp
diff --git a/src/msw/menu.cpp b/src/msw/menu.cpp
index 1378f51131..4ebd6a5d2d 100644
--- a/src/msw/menu.cpp
+++ b/src/msw/menu.cpp
@@ -356,7 +356,7 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
     // Update radio groups data if we're inserting a new menu item.
     // Inserting radio and non-radio item has a different impact
     // on radio groups so we have to handle each case separately.
-    // (Inserting a radio item in the middle of exisiting group extends
+    // (Inserting a radio item in the middle of existing group extends
     // the group, but inserting non-radio item breaks it into two subgroups.)
     //
     bool checkInitially = false;
@@ -372,7 +372,7 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *pItem, size_t pos)
     {
         if ( m_radioData->UpdateOnInsertNonRadio(pos) )
         {
-            // One of the exisiting groups has been split into two subgroups.
+            // One of the existing groups has been split into two subgroups.
             wxFAIL_MSG(wxS("Inserting non-radio item inside a radio group?"));
         }
     }
diff --git a/src/msw/ole/activex.cpp b/src/msw/ole/activex.cpp
index b2f65a6b3c..2225a2998a 100644
--- a/src/msw/ole/activex.cpp
+++ b/src/msw/ole/activex.cpp
@@ -429,7 +429,7 @@ public:
            //
            // Result of several hours and days of bug hunting -
            // this is called by an object when it wants to resize
-           // itself to something different then our parent window -
+           // itself to something different from our parent window -
            // don't let it :)
            //
 //            m_window->m_oleInPlaceObject->SetObjectRects(
diff --git a/src/osx/menu_osx.cpp b/src/osx/menu_osx.cpp
index 0351c2dce6..f9d1f0d792 100644
--- a/src/osx/menu_osx.cpp
+++ b/src/osx/menu_osx.cpp
@@ -136,7 +136,7 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *item, size_t pos)
     // Update radio groups if we're inserting a new menu item.
     // Inserting radio and non-radio item has a different impact
     // on radio groups, so we have to handle each case separately.
-    // (Inserting a radio item in the middle of exisiting groups extends this group,
+    // (Inserting a radio item in the middle of existing groups extends this group,
     // but inserting a non-radio item breaks it into two subgroups.)
     bool check = false;
     if ( item->IsRadio() )
@@ -151,7 +151,7 @@ bool wxMenu::DoInsertOrAppend(wxMenuItem *item, size_t pos)
     {
         if ( m_radioData->UpdateOnInsertNonRadio(pos) )
         {
-            // One of the exisiting groups has been split into two subgroups.
+            // One of the existing groups has been split into two subgroups.
             wxFAIL_MSG(wxS("Inserting non-radio item inside a radio group?"));
         }
     }