bank robber vs derogation

bank robber and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bank robber	Yes	No	No	No
derogation	Yes	No	No	No

bank robber (noun)	derogation (noun)
a robber of banks	(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