abetter vs derogation

abetter and derogation both are nouns.

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

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