disparagement vs whacky

disparagement is a noun but whacky is not a noun.

Word	Noun	Adjective	Verb	Adverb
disparagement	Yes	No	No	No
whacky	No	Yes	No	No

disparagement (noun)	whacky (noun)
the act of speaking contemptuously of
a communication that belittles somebody or something

disparagement (adjective)	whacky (adjective)
	ludicrous, foolish
	informal or slang terms for mentally irregular