plagiarizer vs derogation

plagiarizer and derogation both are nouns.

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

plagiarizer (noun)	derogation (noun)
someone who uses another person's words or ideas as if they were his own	(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