grouch vs disparagement

grouch and disparagement both are nouns.

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

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

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