diff --git a/ChangeLog.4 b/ChangeLog.4
index 282197eaeed..7cfdbd13184 100644
--- a/ChangeLog.4
+++ b/ChangeLog.4
@@ -219,7 +219,7 @@
 
 	Fix c-ts-mode indentation for initializer lists (bug#73661)
 
-	The intentation behavior differed between c-mode/c++-mode
+	The indentation behavior differed between c-mode/c++-mode
 	and *-ts-mode for initializer lists where the first element was
 	not at beginning-of-line.  The anchor-prev-sibling function gave
 	up and returned nil, but it should (probably) anchor on the
@@ -547,7 +547,7 @@
 
 	Align columns in which-key with wide characters properly
 
-	In the case that a character takes up multple columns (such as
+	In the case that a character takes up multiple columns (such as
 	`…' when used as a truncation character), make sure that the
 	columns are still aligned properly.
 	* lisp/which-key.el (which-key--pad-column): Use `string-width'
@@ -1032,7 +1032,7 @@
 
 	* src/treesit.c (treesit_sync_visible_region): Minimally fix ranges so
 	it doesn't exceed parser's visible range.
-	(treesit_call_after_change_functions): Update calling sigature to
+	(treesit_call_after_change_functions): Update calling signature to
 	treesit_make_ranges.
 	(treesit_ensure_parsed, make_treesit_parser): Use the new field
 	within_reparse.
diff --git a/admin/codespell/codespell.exclude b/admin/codespell/codespell.exclude
index 1dc4fb8f014..f4c67ae83e8 100644
--- a/admin/codespell/codespell.exclude
+++ b/admin/codespell/codespell.exclude
@@ -1701,8 +1701,6 @@ Timo Savola, Jorgen Sch@"afer, Holger Schauer, William Schelter, Ralph
 	5b34fc07085 * lisp/treesit.el (treesit-node-at): Update docstring (bu...
 	5cf1de683b2 Fix python-fill-paragraph problems on filling strings (bu...
 	7678b7e46f2 Eglot: check server capability before sending didSave (bu...
-	7678b7e46f2 Eglot: check server capability before sending didSave (bu...
-	9ac12592781 Fix display of menu-bar bindings of commands in *Help* bu...
 	9ac12592781 Fix display of menu-bar bindings of commands in *Help* bu...
 	9e105d483fa Fix c-ts-mode indentation for statement after preproc (bu...
 	When running emacs in a terminal (or at least, in iTerm), keys are not
@@ -1736,7 +1734,6 @@ Timo Savola, Jorgen Sch@"afer, Holger Schauer, William Schelter, Ralph
 	ed3bab3cc72 Revert 'forward-sentence-default-function' to return poin...
 	b3e930d328e Revert inadvertent change to lisp/icomplete.el in previou...
 	973c1d24c6a ruby-ts-mode: Also don't reindent 'identifier' when insid...
-	973c1d24c6a ruby-ts-mode: Also don't reindent 'identifier' when insid...
 	e444115d026 Improve keymap-global-set and keymap-local-set interactiv...
 	8e9783b4ce4 Rebind in read-regexp-map ‘M-c’ to ‘M-s c’ compatible wit...
 	f12f72b0e09 ; * lisp/simple.el (primitive-undo): Clarify error messag...
@@ -1744,3 +1741,5 @@ Timo Savola, Jorgen Sch@"afer, Holger Schauer, William Schelter, Ralph
 	b211a63455c Make tab-bar-tab-group-format-function also handle curren...
 	a3c310c11a Create new "use-package" themse and use it for :custom wit...
 	2a85d81c47 Add support for gathering statistics on use-package declar...
+            (let* ((nam (buffer-substring (match-beginning 2) (match-end 2)))
+	      (setq nmlst (cons nam nmlst)
diff --git a/doc/emacs/emacs.texi b/doc/emacs/emacs.texi
index 5932af301f9..634788392d2 100644
--- a/doc/emacs/emacs.texi
+++ b/doc/emacs/emacs.texi
@@ -1432,7 +1432,7 @@ If you need to contact the Free Software Foundation, see
 
 @display
 Free Software Foundation
-31 Milk Street # 960789
+31 Milk Street, # 960789
 Boston, MA 02196
 USA
 @end display
diff --git a/doc/lispref/functions.texi b/doc/lispref/functions.texi
index ef3e665f9f2..db2c4197144 100644
--- a/doc/lispref/functions.texi
+++ b/doc/lispref/functions.texi
@@ -1511,9 +1511,9 @@ indirect-function}.
 This returns the object in the function cell of @var{symbol}.  It does
 not check that the returned object is a legitimate function.
 
-If the function cell is void, the return value is @code{nil}.  To
-distinguish between a function cell that is void and one set to
-@code{nil}, use @code{fboundp} (see below).
+If the function cell is void, the return value is @code{nil}.  It is
+impossible to distinguish between a function cell that is void and one
+set to @code{nil}.
 
 @example
 @group
@@ -1538,24 +1538,24 @@ that that symbol's function cell is @dfn{void}.  In other words, the
 function cell does not have any Lisp object in it.  If you try to call
 the symbol as a function, Emacs signals a @code{void-function} error.
 
-  Note that void is not the same as @code{nil} or the symbol
-@code{void}.  The symbols @code{nil} and @code{void} are Lisp objects,
-and can be stored into a function cell just as any other object can be
-(and @code{void} can be a valid function if you define it with
-@code{defun}).  A void function cell contains no object whatsoever.
+  Unlike with void variables (@pxref{Void Variables}), a symbol's
+function cell that contains @code{nil} is indistinguishable from the
+function's being void.  Note that void is not the same as the symbol
+@code{void}: @code{void} can be a valid function if you define it with
+@code{defun}.
 
   You can test the voidness of a symbol's function definition with
 @code{fboundp}.  After you have given a symbol a function definition, you
 can make it void once more using @code{fmakunbound}.
 
 @defun fboundp symbol
-This function returns @code{t} if the symbol has an object in its
-function cell, @code{nil} otherwise.  It does not check that the object
-is a legitimate function.
+This function returns @code{t} if the symbol has a non-@code{nil} object
+in its function cell, @code{nil} otherwise.  It does not check that the
+object is a legitimate function.
 @end defun
 
 @defun fmakunbound symbol
-This function makes @var{symbol}'s function cell void, so that a
+This function makes @var{symbol}'s function cell @code{nil}, so that a
 subsequent attempt to access this cell will cause a
 @code{void-function} error.  It returns @var{symbol}.  (See also
 @code{makunbound}, in @ref{Void Variables}.)
diff --git a/etc/themes/adwaita-theme.el b/etc/themes/adwaita-theme.el
index cea8f85c081..1c3c3b26752 100644
--- a/etc/themes/adwaita-theme.el
+++ b/etc/themes/adwaita-theme.el
@@ -105,4 +105,4 @@ default look of the Gnome 3 desktop."
    `(diff-added ((,class (:bold t :foreground "#4E9A06"))))
    `(diff-removed ((,class (:bold t :foreground "#F5666D"))))))
 
-;;; adwaita-theme.el  ends here
+;;; adwaita-theme.el ends here
diff --git a/etc/themes/manoj-dark-theme.el b/etc/themes/manoj-dark-theme.el
index b902f293ca0..820b4d397b5 100644
--- a/etc/themes/manoj-dark-theme.el
+++ b/etc/themes/manoj-dark-theme.el
@@ -37,7 +37,7 @@
 ;; viewed, for example, the Gnus group buffer, consistent and logical
 ;; color choices are the only sane option.  Gnus groups can be newa
 ;; (blueish) or mail (greenish), have states (large number of under
-;; messages, normal, and empty). The large number unread groups have
+;; messages, normal, and empty).  The large number unread groups have
 ;; highest luminance (appear brighter), and the empty one have lower
 ;; luminance (appear grayer), but have the same chroma and saturation.
 ;; Sub states and group priorities are rendered using a color series
@@ -704,4 +704,4 @@ jarring angry fruit salad look to reduce eye fatigue."
 
 (provide-theme 'manoj-dark)
 
-;;; manoj-dark.el ends here
+;;; manoj-dark-theme.el ends here
diff --git a/etc/themes/misterioso-theme.el b/etc/themes/misterioso-theme.el
index 75693b59016..6487356fbb1 100644
--- a/etc/themes/misterioso-theme.el
+++ b/etc/themes/misterioso-theme.el
@@ -134,4 +134,4 @@
 
 (provide-theme 'misterioso)
 
-;;; misterioso-theme.el  ends here
+;;; misterioso-theme.el ends here
diff --git a/lisp/emacs-lisp/nadvice.el b/lisp/emacs-lisp/nadvice.el
index 36df143a82a..ac9254c867a 100644
--- a/lisp/emacs-lisp/nadvice.el
+++ b/lisp/emacs-lisp/nadvice.el
@@ -584,7 +584,7 @@ of the piece of advice."
 ;;;###autoload
 (defmacro define-advice (symbol args &rest body)
   "Define an advice and add it to function named SYMBOL.
-See `advice-add' and `add-function' for explanation on the
+See `advice-add' and `add-function' for explanation of the
 arguments.  If NAME is non-nil, the advice is named `SYMBOL@NAME'
 and installed with the name NAME; otherwise, the advice is anonymous.
 
diff --git a/lisp/progmodes/c-ts-mode.el b/lisp/progmodes/c-ts-mode.el
index 1b041a0192b..3823c553fda 100644
--- a/lisp/progmodes/c-ts-mode.el
+++ b/lisp/progmodes/c-ts-mode.el
@@ -1488,9 +1488,9 @@ recommended to enable `electric-pair-mode' with this mode."
       :help "Toggle C/C++ comment style between block and line comments"])
     "--"
     ("Toggle..."
-     ["SubWord Mode" subword-mode
+     ["Subword Mode" subword-mode
       :style toggle :selected subword-mode
-      :help "Toggle sub-word movement and editing mode"])))
+      :help "Toggle subword movement and editing mode"])))
 
 ;; We could alternatively use parsers, but if this works well, I don't
 ;; see the need to change.  This is copied verbatim from cc-guess.el.
diff --git a/lisp/progmodes/etags.el b/lisp/progmodes/etags.el
index 35dc0215046..ca69817953e 100644
--- a/lisp/progmodes/etags.el
+++ b/lisp/progmodes/etags.el
@@ -1915,7 +1915,7 @@ If no file is associated with the current buffer, this function returns nil."
 (defun list-tags (file &optional _next-match)
   "Display list of tags in file FILE.
 Interactively, prompt for FILE, with completion, offering the current
-buffer's file name as the defaul.
+buffer's file name as the default.
 This command searches only the first table in the list of tags tables,
 and does not search included tables.
 FILE should be as it was submitted to the `etags' command, which usually
diff --git a/lisp/progmodes/php-ts-mode.el b/lisp/progmodes/php-ts-mode.el
index 81cba5f0e9e..07a0c266d78 100644
--- a/lisp/progmodes/php-ts-mode.el
+++ b/lisp/progmodes/php-ts-mode.el
@@ -437,7 +437,7 @@ Useful for debugging."
 
 Return `php-ts-mode-indent-offset' plus 1 when BOL is after
 `php-ts-mode--possibly-braceless-keyword-re', otherwise return 0.  It's
-usefull for matching incomplete compound_statement or colon_block.
+useful for matching incomplete compound_statement or colon_block.
 PARENT is NODE's parent, BOL is the beginning of non-whitespace
 characters of the current line."
   (and (null node)
diff --git a/lisp/treesit.el b/lisp/treesit.el
index f02703a5cd3..e59a831bd40 100644
--- a/lisp/treesit.el
+++ b/lisp/treesit.el
@@ -3091,7 +3091,7 @@ If `treesit-defun-name-function' is non-nil, set up
 If `treesit-simple-imenu-settings' is non-nil, set up Imenu.
 
 If either `treesit-outline-predicate' or `treesit-simple-imenu-settings'
-are non-nil, and Outline minor mode settings don't alreay exist, setup
+are non-nil, and Outline minor mode settings don't already exist, setup
 Outline minor mode.
 
 If `sexp', `sentence' are defined in `treesit-thing-settings',
diff --git a/lisp/vc/log-edit.el b/lisp/vc/log-edit.el
index 7ec394a263d..58f4cc2c2b6 100644
--- a/lisp/vc/log-edit.el
+++ b/lisp/vc/log-edit.el
@@ -246,7 +246,7 @@ when this variable is set to nil.")
 (defvar log-edit-initial-files nil)
 (defvar log-edit-callback nil)
 (defvar log-edit-diff-function
-  (lambda () (error "Diff functionality has not been setup")))
+  (lambda () (error "Diff functionality has not been set up")))
 (defvar log-edit-listfun nil)
 
 (defvar log-edit-parent-buffer nil)
diff --git a/lisp/wdired.el b/lisp/wdired.el
index 8ce115eb142..0a858864d2d 100644
--- a/lisp/wdired.el
+++ b/lisp/wdired.el
@@ -93,8 +93,7 @@ is not nil."
 That is, always move the point to the beginning of the filename at line.
 
 If `sometimes', only move to the beginning of filename if the point is
-before it, and `track-eol' is non-nil.  This behavior is very handy
-when editing several filenames.
+before it.  This behavior is very handy when editing several filenames.
 
 If nil, \"up\" and \"down\" movement is done as in any other buffer."
   :type '(choice (const :tag "As in any other mode" nil)
diff --git a/src/data.c b/src/data.c
index fd2d9705642..73dd2f5d4ed 100644
--- a/src/data.c
+++ b/src/data.c
@@ -756,7 +756,7 @@ global value outside of any lexical scope.  */)
    breaking backward compatibility, as some users of fboundp may
    expect t in particular, rather than any true value.  */
 DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0,
-       doc: /* Return t if SYMBOL's function definition is not void.  */)
+       doc: /* Return t if SYMBOL's function definition is neither void nor nil.  */)
   (Lisp_Object symbol)
 {
   CHECK_SYMBOL (symbol);
@@ -782,12 +782,12 @@ See also `fmakunbound'.  */)
 }
 
 DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0,
-       doc: /* Make SYMBOL's function definition be void.
+       doc: /* Make SYMBOL's function definition be nil.
 Return SYMBOL.
 
-If a function definition is void, trying to call a function by that
-name will cause a `void-function' error.  For more details, see Info
-node `(elisp) Function Cells'.
+If a function definition is nil or void, trying to call a function by
+that name will cause a `void-function' error.  For more details, see
+Info node `(elisp) Function Cells'.
 
 See also `makunbound'.  */)
   (register Lisp_Object symbol)
@@ -800,7 +800,7 @@ See also `makunbound'.  */)
 }
 
 DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0,
-       doc: /* Return SYMBOL's function definition, or nil if that is void.  */)
+       doc: /* Return SYMBOL's function definition, or nil if that is void or nil.  */)
   (Lisp_Object symbol)
 {
   CHECK_SYMBOL (symbol);
diff --git a/test/lisp/eshell/em-glob-tests.el b/test/lisp/eshell/em-glob-tests.el
index 239968917ab..16ae9be1bce 100644
--- a/test/lisp/eshell/em-glob-tests.el
+++ b/test/lisp/eshell/em-glob-tests.el
@@ -74,7 +74,7 @@ component ending in \"symlink\" is treated as a symbolic link."
       ;; Ensure the default expansion splices the glob.
       (eshell-command-result-equal "funcall list *.el" '("a.el" "b.el"))
       (eshell-command-result-equal "funcall list *.txt" '("c.txt"))
-      ;; When spliting, no-matches cases also return a list containing
+      ;; When splitting, no-matches cases also return a list containing
       ;; the original non-matching glob.
       (eshell-command-result-equal "funcall list *.no" '("*.no"))
       (when (eshell-tests-remote-accessible-p)
diff --git a/test/lisp/progmodes/c-ts-mode-resources/indent.erts b/test/lisp/progmodes/c-ts-mode-resources/indent.erts
index f97ceac61f5..2f3540c3970 100644
--- a/test/lisp/progmodes/c-ts-mode-resources/indent.erts
+++ b/test/lisp/progmodes/c-ts-mode-resources/indent.erts
@@ -208,7 +208,7 @@ int main()
 }
 =-=-=
 
-Name: Return Compund Literal
+Name: Return Compound Literal
 
 =-=
 struct pair { int fst, snd; };