derogation vs serial killer

derogation and serial killer both are nouns.

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

derogation (noun)	serial killer (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who murders more than three victims one at a time in a relatively short interval
a communication that belittles somebody or something