insult vs scurrility

insult and scurrility both are nouns.

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

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

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

insult (noun)	scurrility (noun)
a deliberately offensive act or something producing the effect of deliberate disrespect	foul-mouthed or obscene abuse
a rude expression intended to offend or hurt

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