debunk vs poke fun

debunk and poke fun both are verbs.

Word	Noun	Adjective	Verb	Adverb
debunk	No	No	Yes	No
poke fun	No	No	Yes	No

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

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

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

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