foolishness vs disparagement

foolishness and disparagement both are nouns.

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

foolishness (noun)	disparagement (noun)
a stupid mistake	the act of speaking contemptuously of
the trait of acting stupidly or rashly	a communication that belittles somebody or something
the quality of being rash and foolish