diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index 75424e52d7..539b8d9c32 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -49440,6 +49440,7 @@ regnerated->regenerated
 regnerates->regenerates
 regnerating->regenerating
 regneration->regeneration
+regoin->regain, region,
 regon->region
 regons->regions
 regorded->recorded