derogation vs impersonator

derogation and impersonator both are nouns.

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

derogation (noun)	impersonator (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who (fraudulently) assumes the appearance of another
a communication that belittles somebody or something