derogation vs mudslinger

derogation and mudslinger both are nouns.

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

derogation (noun)	mudslinger (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	one who spreads real or alleged scandal about another (usually for political advantage)
a communication that belittles somebody or something