derogation vs abrogation

derogation and abrogation both are nouns.

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

As nouns, abrogation is a hypernym of derogation; that is, abrogation is a word with a broader meaning than derogation:

derogation: (law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
abrogation: the act of abrogating; an official or legal cancellation

Other hypernyms of derogation include annulment, repeal.

derogation (noun)	abrogation (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	the act of abrogating; an official or legal cancellation
a communication that belittles somebody or something