serial murderer vs derogation

serial murderer and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
serial murderer	Yes	No	No	No
derogation	Yes	No	No	No

serial murderer (noun)	derogation (noun)
someone who murders more than three victims one at a time in a relatively short interval	(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