derogation vs abetter

derogation and abetter both are nouns.

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

derogation (noun)	abetter (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	one who helps or encourages or incites another
a communication that belittles somebody or something