insult vs stinger

insult and stinger both are nouns.

Word	Noun	Adjective	Verb	Adverb
insult	Yes	No	Yes	No
stinger	Yes	No	No	No

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

Other hyponyms of insult include low blow, billingsgate, scurrility, cut, invective, vitriol, vituperation.

insult (noun)	stinger (noun)
a deliberately offensive act or something producing the effect of deliberate disrespect	a sharp stinging blow
a rude expression intended to offend or hurt	a sharp organ of offense or defense (as of a wasp or stingray or scorpion) often connected with a poison gland
	a remark capable of wounding mentally
	a cocktail made of made of creme de menthe and brandy

insult (verb)	stinger (verb)
treat, mention, or speak to rudely