Pun, a commonly-used rhetorical devicc, a play on words, differs from riddle.

双关不同于谜语，前者是一种修辞方式，一种文字游戏；

youdao

The India white ale beer is a play on words in itself, named Walt's White Lie.

将印度白啤酒命名为沃尔特怀特谎言本身就是一种文字游戏，因为怀特和白色的英语（课程）是同一个词。

youdao

It's mirage, but its also a play on words of the "a rose by any other name..." variety.

朱生豪先生译为：“姓名本来是没有意义的；我们叫做玫瑰的这一种花，要是换了个名字，他的香味还是同样的芬芳。”如出一辙的演出。

youdao

It is a play on words in Korean meaning good reply.

VOA: standard.2010.03.30

But have you ever heard of the word "pun", a play on words?

WHITEHOUSE: Press Briefing

So, it's kind of a play on words in his - a play on words - a creative word play that he was doing here.

NPR: Getting 'The Message' from Hip-Hop Lyrics

The term is a play on words, of course, and an example of the old marketing trick of avoiding the baggage of one phrase by inventing another.

FORBES: A New Kind of Distance Learning