General terms:
* Pun: This is the most common and general term for a play on words.
* Wordplay: This is a broader term that encompasses any kind of play with language, including puns, metaphors, and other figures of speech.
* Witticism: This refers to a clever or humorous remark, often using wordplay.
* Double entendre: This is a phrase or word that has two different meanings, one of which is often suggestive or humorous.
More specific terms:
* Paronomasia: This refers specifically to the use of words that sound similar but have different meanings.
* Antanaclasis: This involves using the same word with two different meanings within a sentence.
* Syllepsis: This involves using a word with two different grammatical functions within a sentence.
* Malapropism: This is the mistaken use of a word that sounds similar to the intended word.
The best word to use will depend on the specific context of the play on words.