blackguard vs debunk

blackguard is a noun but debunk is not a noun.

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

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

blackguard: subject to laughter or ridicule
debunk: expose while ridiculing; especially of pretentious or false claims and ideas

Other hyponyms of blackguard include tease, lampoon, satirise, satirize, expose, stultify.

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

blackguard (verb)	debunk (verb)
use foul or abusive language towards	expose while ridiculing; especially of pretentious or false claims and ideas
subject to laughter or ridicule