diff --git a/data/filedefs/filetypes.c b/data/filedefs/filetypes.c
index 0f5ce83d94..0b4401ac7b 100644
--- a/data/filedefs/filetypes.c
+++ b/data/filedefs/filetypes.c
@@ -33,8 +33,10 @@ escapesequence=string_1
 
 [keywords]
 # all items must be in one line
-primary=asm auto break case char const continue default do double else enum extern float for goto if inline int long register restrict return short signed sizeof static struct switch typedef union unsigned void volatile while _Alignas _Alignof _Atomic _Bool _Complex _Generic _Imaginary _Noreturn _Static_assert _Thread_local FALSE NULL TRUE
-secondary=
+primary=asm auto break case const continue default do else enum extern for goto if inline register restrict return sizeof static struct switch typedef union volatile while _Alignas _Alignof _Atomic _Complex _Generic _Imaginary _Noreturn _Static_assert _Thread_local FALSE NULL TRUE
+
+secondary=char double float int long short signed unsigned void _Bool
+
 # these are the Doxygen keywords
 docComment=a addindex addtogroup anchor arg attention author authors b brief bug c callergraph callgraph category cite class code cond copybrief copydetails copydoc copyright date def defgroup deprecated details dir dontinclude dot dotfile e else elseif em endcode endcond enddot endhtmlonly endif endinternal endlatexonly endlink endmanonly endmsc endrtfonly endverbatim endxmlonly enum example exception extends file fn headerfile hideinitializer htmlinclude htmlonly if ifnot image implements include includelineno ingroup interface internal invariant latexonly li line link mainpage manonly memberof msc mscfile n name namespace nosubgrouping note overload p package page par paragraph param post pre private privatesection property protected protectedsection protocol public publicsection ref related relatedalso relates relatesalso remark remarks result return returns retval rtfonly sa section see short showinitializer since skip skipline snippet struct subpage subsection subsubsection tableofcontents test throw throws todo tparam typedef union until var verbatim verbinclude version warning weakgroup xmlonly xrefitem
 
diff --git a/data/filedefs/filetypes.cpp b/data/filedefs/filetypes.cpp
index 94306f13d0..f0df8937b8 100644
--- a/data/filedefs/filetypes.cpp
+++ b/data/filedefs/filetypes.cpp
@@ -3,8 +3,10 @@
 
 [keywords]
 # all items must be in one line
-primary=alignas alignof and and_eq asm auto bitand bitor bool break case catch char char8_t char16_t char32_t class compl concept const const_cast consteval constexpr constinit continue co_await co_return co_yield decltype default delete do double dynamic_cast else enum explicit export extern false final float for friend goto if import inline int long module mutable namespace new noexcept not not_eq nullptr operator or or_eq override private protected public register reinterpret_cast requires return short signed sizeof static static_assert static_cast struct switch template this thread_local throw true try typedef typeid typename union unsigned using virtual void volatile wchar_t while xor xor_eq
-secondary=
+primary=auto alignas alignof and and_eq asm bitand bitor break case catch class compl concept const const_cast consteval constexpr constinit continue co_await co_return co_yield decltype default delete do dynamic_cast else enum explicit export extern false final for friend goto if import inline module mutable namespace new noexcept not not_eq nullptr operator or or_eq override private protected public register reinterpret_cast requires return sizeof static static_assert static_cast struct switch template this thread_local throw true try typedef typeid typename union using virtual volatile while xor xor_eq
+
+secondary=bool char char8_t char16_t char32_t double float int long short signed unsigned void wchar_t
+
 # these are the Doxygen keywords
 docComment=a addindex addtogroup anchor arg attention author authors b brief bug c callergraph callgraph category cite class code cond copybrief copydetails copydoc copyright date def defgroup deprecated details dir dontinclude dot dotfile e else elseif em endcode endcond enddot endhtmlonly endif endinternal endlatexonly endlink endmanonly endmsc endrtfonly endverbatim endxmlonly enum example exception extends file fn headerfile hideinitializer htmlinclude htmlonly if ifnot image implements include includelineno ingroup interface internal invariant latexonly li line link mainpage manonly memberof msc mscfile n name namespace nosubgrouping note overload p package page par paragraph param post pre private privatesection property protected protectedsection protocol public publicsection ref related relatedalso relates relatesalso remark remarks result return returns retval rtfonly sa section see short showinitializer since skip skipline snippet struct subpage subsection subsubsection tableofcontents test throw throws todo tparam typedef union until var verbatim verbinclude version warning weakgroup xmlonly xrefitem