derogation vs double-dealer

derogation and double-dealer both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
double-dealer	Yes	No	No	No

derogation (noun)	double-dealer (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person who says one thing and does another
a communication that belittles somebody or something