billingsgate vs insult

billingsgate and insult both are nouns.

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

As nouns, insult is a hypernym of billingsgate; that is, insult is a word with a broader meaning than billingsgate:

Other hypernyms of billingsgate include abuse, contumely, revilement, vilification.

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

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