disparagement vs foolish

disparagement is a noun but foolish is not a noun.

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

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

disparagement (adjective)	foolish (adjective)
	devoid of good sense or judgment
	having or revealing stupidity