diff --git a/MAINTAINERS b/MAINTAINERS
index 5328415c21..d49628b472 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -85,6 +85,7 @@ F: doc/
 Developers and Maintainers Tools
 M: Thomas Monjalon <thomas@monjalon.net>
 F: MAINTAINERS
+F: devtools/build-dict.sh
 F: devtools/check-dup-includes.sh
 F: devtools/check-maintainers.sh
 F: devtools/check-forbidden-tokens.awk
diff --git a/devtools/build-dict.sh b/devtools/build-dict.sh
new file mode 100755
index 0000000000..a8cac49029
--- /dev/null
+++ b/devtools/build-dict.sh
@@ -0,0 +1,22 @@
+#! /bin/sh -e
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright 2020 Mellanox Technologies, Ltd
+
+# Build a spelling dictionary suitable for DPDK_CHECKPATCH_CODESPELL
+
+# path to local clone of https://github.com/codespell-project/codespell.git
+codespell_path=$1
+
+# concatenate codespell dictionaries, except GB/US one
+for suffix in .txt _code.txt _informal.txt _names.txt _rare.txt _usage.txt ; do
+	cat $codespell_path/codespell_lib/data/dictionary$suffix
+done |
+
+# remove too short or wrong checks
+sed '/^..->/d' |
+sed '/^uint->/d' |
+sed "/^doesn'->/d" |
+sed '/^wasn->/d' |
+
+# print to stdout
+cat