debunk vs laugh at

debunk and laugh at both are verbs.

Word	Noun	Adjective	Verb	Adverb
debunk	No	No	Yes	No
laugh at	No	No	Yes	No

As verbs, laugh at is a hypernym of debunk; that is, laugh at is a word with a broader meaning than debunk:

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

Other hypernyms of debunk include blackguard, guy, jest at, make fun, poke fun, rib, ridicule, roast.

debunk (verb)	laugh at (verb)
expose while ridiculing; especially of pretentious or false claims and ideas	subject to laughter or ridicule