derogation vs ripper

derogation and ripper both are nouns.

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

derogation (noun)	ripper (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a murderer who slashes the victims with a knife
a communication that belittles somebody or something