rejoinder vs riposte

rejoinder and riposte both are nouns.

Word	Noun	Adjective	Verb	Adverb
rejoinder	Yes	No	No	No
riposte	Yes	No	Yes	No

As nouns, rejoinder and riposte are synonyms defined as:

rejoinder and riposte: a quick reply to a question or remark (especially a witty or critical one)

Other synonyms of rejoinder include comeback, counter, replication, retort, return.

rejoinder (noun)	riposte (noun)
a quick reply to a question or remark (especially a witty or critical one)	(fencing) a counterattack made immediately after successfully parrying the opponents lunge
(law) a pleading made by a defendant in response to the plaintiff's replication	a quick reply to a question or remark (especially a witty or critical one)

rejoinder (verb)	riposte (verb)
	answer back
	make a return thrust