retaliator vs disparagement

retaliator and disparagement both are nouns.

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

retaliator (noun)	disparagement (noun)
someone who takes vengeance	the act of speaking contemptuously of
	a communication that belittles somebody or something