blackguard vs assail

blackguard is a noun but assail is not a noun.

Word	Noun	Adjective	Verb	Adverb
blackguard	Yes	No	Yes	No
assail	No	No	Yes	No

As verbs, assail is a hypernym of blackguard; that is, assail is a word with a broader meaning than blackguard:

Other hypernyms of blackguard include assault, attack, lash out, round, snipe.

blackguard (noun)	assail (noun)
someone who is morally reprehensible

blackguard (verb)	assail (verb)
use foul or abusive language towards	attack in speech or writing
subject to laughter or ridicule	attack someone physically or emotionally
	launch an attack or assault on; begin hostilities or start warfare with