wordplay vs paronomasia

wordplay and paronomasia both are nouns.

Word	Noun	Adjective	Verb	Adverb
wordplay	Yes	No	No	No
paronomasia	Yes	No	No	No

As nouns, wordplay and paronomasia are synonyms defined as:

Other synonyms of wordplay include pun, punning.

wordplay (noun)	paronomasia (noun)
a humorous play on words	a humorous play on words