derogation vs robber

derogation and robber both are nouns.

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

derogation (noun)	robber (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a thief who steals from someone by threatening violence
a communication that belittles somebody or something