Playing word games helps your vocabulary stick by getting you to practice...

https://kylersultimatethoughts.wpsuo.com/why-british-people-say-brilliant-all-the-time

Playing word games helps your vocabulary stick by getting you to practice active recall in a fun way. For example, when you guess the word “deal” in a game, you’re not just seeing it—you’re pulling it from memory, which makes it easier to remember later