Playing word games helps new vocabulary stick by making you actively recall...

https://wiki-cable.win/index.php/Word_Games_for_Adults_Learning_English:_Active_Practice_%26_Fun_at_Every_Level

Playing word games helps new vocabulary stick by making you actively recall words, which strengthens memory. For example, when you guess the word "deal" in a game, you’re not just guessing—you’re practicing it in context