mudslinger vs disparagement

mudslinger and disparagement both are nouns.

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

mudslinger (noun)	disparagement (noun)
one who spreads real or alleged scandal about another (usually for political advantage)	the act of speaking contemptuously of
	a communication that belittles somebody or something