disparagement vs mudslinger

disparagement and mudslinger both are nouns.

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

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