disparagement vs vacuous

disparagement is a noun but vacuous is not a noun.

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

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

disparagement (adjective)	vacuous (adjective)
	devoid of matter
	devoid of intelligence or thought
	devoid of significance or force