If done intentionally as a pun, this would be called a transpositional pun. For example, in the context of paving a switchback trail with stones, someone might say "Leave no turn unstoned!" (sorry) [The Wikipedia page lists several more examples:][1] Dieting: A waist is a terrible thing to mind. Olympic officials: The souls that time men's tries. Hangovers: The wrath of grapes. The oboe: An ill wind nobody blows good. Feudalism: It's your count that votes! Soldiers of fortune: Give chance a piece Vigilantism: the soul of the Dark Knight Trophies: the memory of persistence [1]: https://en.wikipedia.org/wiki/Transpositional_pun