Playing word games makes vocabulary stick because they help you actively recall...

https://www.toro-bookmarks.win/playing-word-games-is-a-fun-way-to-help-new-vocabulary-stick-because-they-use

Playing word games makes vocabulary stick because they help you actively recall words instead of just reading them. For example, using the word "deal" in a fun challenge forces your brain to remember its meaning and how to use it