alienator vs disparagement

alienator and disparagement both are nouns.

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

alienator (noun)	disparagement (noun)
an unpleasant person who causes friendly people to become indifferent or unfriendly or hostile	the act of speaking contemptuously of
	a communication that belittles somebody or something