debunk vs unmask

debunk and unmask both are verbs.

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

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

debunk: expose while ridiculing; especially of pretentious or false claims and ideas
unmask: reveal the true nature of

Other hyponyms of debunk include uncloak.

debunk (verb)	unmask (verb)
expose while ridiculing; especially of pretentious or false claims and ideas	reveal the true nature of
	take the mask off