depreciator vs disparagement

depreciator and disparagement both are nouns.

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

depreciator (noun)	disparagement (noun)
one who disparages or belittles the worth of something	the act of speaking contemptuously of
	a communication that belittles somebody or something