derogation vs repellent

derogation and repellent both are nouns.

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

derogation (noun)	repellent (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	the power to repel
a communication that belittles somebody or something	a chemical substance that repels animals
	a compound with which fabrics are treated to repel water

derogation (adjective)	repellent (adjective)
	incapable of absorbing or mixing with
	highly offensive; arousing aversion or disgust
	serving or tending to repel