diff --git a/vim/spell/en.utf-8.add b/vim/spell/en.utf-8.add
index caf6c1e..9f48318 100644
--- a/vim/spell/en.utf-8.add
+++ b/vim/spell/en.utf-8.add
@@ -45,3 +45,7 @@ lémanique
 OpenStreetMap
 crevard
 permission/!
+nargout
+nargin
+isfield
+rmfield