maltreater vs derogation

maltreater and derogation both are nouns.

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

maltreater (noun)	derogation (noun)
someone who abuses	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
	a communication that belittles somebody or something