paronomasia vs punning

paronomasia and punning both are nouns.

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

As nouns, paronomasia and punning are synonyms defined as:

Other synonyms of paronomasia include pun, wordplay.

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