taunt vs banter

taunt and banter both are nouns.

Word	Noun	Adjective	Verb	Adverb
taunt	Yes	No	Yes	No
banter	Yes	No	Yes	No

As verbs, banter is a hyponym of taunt; that is, banter is a word with a more specific, narrower meaning than taunt:

Other hyponyms of taunt include barrack, flout, gibe, jeer, scoff, chaff, jolly, josh, kid.

taunt (noun)	banter (noun)
aggravation by deriding or mocking or criticizing	light teasing repartee

taunt (verb)	banter (verb)
harass with persistent criticism or carping	be silly or tease one another