comeback vs sass

comeback and sass both are nouns.

Word	Noun	Adjective	Verb	Adverb
comeback	Yes	No	No	No
sass	Yes	No	Yes	No

As nouns, sass is a hyponym of comeback; that is, sass is a word with a more specific, narrower meaning than comeback:

comeback: a quick reply to a question or remark (especially a witty or critical one)
sass: an impudent or insolent rejoinder

Other hyponyms of comeback include back talk, backtalk, lip, mouth, sassing.

comeback (noun)	sass (noun)
return by a celebrity to some previously successful activity	an impudent or insolent rejoinder
a quick reply to a question or remark (especially a witty or critical one)

comeback (verb)	sass (verb)
	answer back in an impudent or insolent manner