diff --git a/cSpell.json b/cSpell.json
index a2cce4db..90c8502a 100644
--- a/cSpell.json
+++ b/cSpell.json
@@ -2,12 +2,12 @@
   "version": "0.1",
   "words": [
     "abuild",
-    "dontalign",
     "aclocal",
     "acro",
     "acroform",
     "acroread",
     "admon",
+    "advapi",
     "aesv",
     "afdh",
     "afdhph",
@@ -27,11 +27,11 @@
     "autobuilder",
     "autobuilders",
     "autofiles",
+    "autofiles",
+    "autogen",
     "autogen",
-    "autoheader",
     "autolabel",
-    "automake",
-    "autotools",
+    "autopkgtest",
     "baaa",
     "backports",
     "bashcompinit",
@@ -68,6 +68,7 @@
     "colorspace",
     "conftest",
     "cout",
+    "cpack",
     "cphe",
     "cppflags",
     "creationdate",
@@ -75,6 +76,7 @@
     "crnl",
     "csoe",
     "cstr",
+    "ctest",
     "cxxflags",
     "cygwin",
     "dbuild",
@@ -98,6 +100,7 @@
     "docbook",
     "docdir",
     "dohnal",
+    "dontalign",
     "dqpdf",
     "dqtest",
     "dquote",
@@ -111,6 +114,9 @@
     "efsoh",
     "encodable",
     "encp",
+    "endforeach",
+    "endforeach",
+    "endfunction",
     "endianness",
     "endl",
     "endobj",
@@ -121,6 +127,7 @@
     "errno",
     "esize",
     "eval",
+    "extlibdir",
     "fdict",
     "ffield",
     "fghij",
@@ -137,6 +144,7 @@
     "fplain",
     "fsanitize",
     "fseeki",
+    "fseeko",
     "fsoh",
     "ftelli",
     "fuzzer",
@@ -145,6 +153,7 @@
     "gajic",
     "gajić",
     "gcurl",
+    "genname",
     "genok",
     "getu",
     "ghostscript",
@@ -171,11 +180,13 @@
     "ifeq",
     "ifstream",
     "iinfilename",
+    "includedir",
     "indoc",
     "infile",
     "infilename",
     "inheritsresources",
     "inpdf",
+    "inttypes",
     "iostream",
     "ioutfilename",
     "irdp",
@@ -214,12 +225,16 @@
     "ldflags",
     "ldquo",
     "libclang",
+    "libcmt",
+    "libcmtd",
+    "libdir",
     "libgcc",
     "libjpeg",
     "libpcre",
     "libqpdf",
+    "libstdc",
     "libtests",
-    "libtoolize",
+    "libversion",
     "libz",
     "linearization",
     "linearize",
@@ -230,16 +245,18 @@
     "linp",
     "listitem",
     "ljpeg",
+    "localtime",
     "longjmp",
     "lpstr",
     "lqpdf",
     "lssl",
     "ltime",
-    "ltmain",
     "lzwdecoder",
     "macports",
+    "maint",
     "makefiles",
     "malloc",
+    "mandir",
     "masamichi",
     "mateusz",
     "maxdepth",
@@ -252,10 +269,12 @@
     "moddifyannotations",
     "monoseq",
     "msvc",
+    "msvcrt",
     "msvc's",
     "msys",
     "multithreaded",
     "mutators",
+    "namelink",
     "nbsp",
     "ndash",
     "ndebug",
@@ -267,14 +286,18 @@
     "nntree",
     "nobjects",
     "nocase",
+    "nodefaultlib",
     "noout",
+    "notfound",
     "npages",
     "nproc",
     "nrounds",
     "nshared",
+    "nsis",
     "nspecs",
     "nstripes",
     "nullptr",
+    "numrange",
     "nval",
     "nwarnings",
     "objdump",
@@ -308,6 +331,7 @@
     "pageposfrom",
     "parms",
     "parseable",
+    "parsedoffset",
     "patmv",
     "patrepl",
     "pavlyuk",
@@ -320,9 +344,11 @@
     "pfeifle",
     "pikepdf",
     "pikepdf's",
+    "pkgconfig",
     "pldh",
     "pluggable",
     "pngify",
+    "pngpredictor",
     "pointerholder",
     "poppler",
     "prebuild",
@@ -330,6 +356,7 @@
     "prepended",
     "prepending",
     "printf",
+    "programfiles",
     "programlisting",
     "proxied",
     "putu",
@@ -401,6 +428,7 @@
     "rklength",
     "rpath",
     "rstream",
+    "runlength",
     "runtest",
     "sahil",
     "samp",
@@ -413,6 +441,8 @@
     "singlehtml",
     "smatch",
     "softlink",
+    "soname",
+    "soversion",
     "sparseoharray",
     "sphlib",
     "sprintf",
@@ -425,12 +455,16 @@
     "stdint",
     "stdlib",
     "stdlib's",
+    "stgz",
     "strcasecmp",
+    "strcmp",
+    "strequal",
     "strerror",
     "strtoui",
     "struct",
     "stylesheet",
     "subclassing",
+    "subdirs",
     "subkey",
     "subkeys",
     "subramanyam",
@@ -438,20 +472,24 @@
     "syuu",
     "tbuf",
     "testcase",
+    "testfile",
     "texlive",
     "tgen",
     "tiffcmp",
+    "tiffpredictor",
     "tmatrix",
     "tnum",
     "tobj",
     "tobjid",
     "toctree",
     "toolchains",
+    "toplevel",
     "transcoders",
     "trueroad",
     "tval",
     "typeinfo",
     "tzoff",
+    "tzset",
     "uinow",
     "uiter",
     "ularge",
@@ -467,6 +505,7 @@
     "unparse",
     "unpickling",
     "unretrieved",
+    "unversioned",
     "upages",
     "upass",
     "urandom",
@@ -479,6 +518,7 @@
     "vitaliy",
     "vkey",
     "vrlc",
+    "vtable",
     "wchar",
     "wconversion",
     "weimer",
@@ -492,6 +532,7 @@
     "wmode",
     "wmodep",
     "wnew",
+    "wordsize",
     "wpath",
     "wrename",
     "wsign",
diff --git a/spell-check b/spell-check
new file mode 100755
index 00000000..2efec204
--- /dev/null
+++ b/spell-check
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# Use comments starting with cSpell:ignore to ignore certain words for
+# the entire file. For source files, you can put these anywhere. For
+# markdown files, to keep them out of the way, we keep them at the
+# bottom of the file in a list. See README-maintainer as an example.
+
+# Global exceptions should be added to cSpell.json. Keep the words in
+# that file sorted.
+
+# cspell can be installed with `npm install -g cspell`.
+cspell **/*.hh include/qpdf/*.h **/*.cc \
+       manual/*.rst manual/*.in manual/_ext/*.py \
+       **/CMakeLists.txt ChangeLog README* TODO