Playing word games helps words stick by using active recall, which means you...

https://spark-wiki.win/index.php/How_to_Remember_a_New_Word_After_You_Look_It_Up_Mid-Game

Playing word games helps words stick by using active recall, which means you practice remembering words like "deal" without just reading them. When you guess or use a word in a fun context, your brain connects it to real situations