punning vs paronomasia

punning and paronomasia both are nouns.

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

As nouns, punning and paronomasia are synonyms defined as:

Other synonyms of punning include pun, wordplay.

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