disparagement vs grouch

disparagement and grouch both are nouns.

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

disparagement (noun)	grouch (noun)
the act of speaking contemptuously of	a bad-tempered person
a communication that belittles somebody or something

disparagement (verb)	grouch (verb)
	show one's unhappiness or critical attitude