perpetrator vs derogation

perpetrator and derogation both are nouns.

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

perpetrator (noun)	derogation (noun)
someone who perpetrates wrongdoing	(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