repeater vs derogation

repeater and derogation both are nouns.

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

repeater (noun)	derogation (noun)
a firearm that can fire several rounds without reloading	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
(electronics) electronic device that amplifies a signal before transmitting it again	a communication that belittles somebody or something
a person who repeats
someone who is repeatedly arrested for criminal behavior (especially for the same criminal behavior)