paronomasia

1. (rhetoric) A pun or play on words.Examples: "Oh, by the way, any attempt to present me with any kind of testimonial will result in stern measures. And when I say stern measures, I am indulging in a paronomasia, or play on words! Good night."; "Ev’rywhere but at Norfolk, where talk of Passion far outweighs its Enactment,– indeed, the Sailors’ paronomasia for that wretched Place, is ‘No-Fuck’."countablerhetoricuncountable

2. (rhetoric) The use of puns.Examples: "Paronomasia to the sense alludes, When words but little varied it includes."; "[…] he gloomily regarded his new digital watch, faintly fascinated by the onward march of the square figures which turned one into the other with insolent ease, a kind of numerical paronomasia."countablerhetoricuncountable