disparagement vs whacko

disparagement and whacko both are nouns.

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

disparagement (noun)	whacko (noun)
the act of speaking contemptuously of	a person who is regarded as eccentric or mad
a communication that belittles somebody or something