There are various synonyms for the phrase "play upon words," and they include wordplay, pun, paronomasia, double entendre, amphibology, etc. Wordplay refers to the use of word or words in a humorous or witty way to create an amusing effect. A pun is a play on words that have multiple meanings or sound alike but have different meanings. Paronomasia pertains to the use of the same but slightly different words that sound the same, creating a witty effect. A double entendre is a phrase that has two interpretations or meanings, one of which is usually sexually suggestive. Amphibology is the use of ambiguous speech to convey more than one meaning, leading to humorous or witty effects.