ravage vs derogation

ravage and derogation both are nouns.

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

ravage (noun)	derogation (noun)
(usually plural) a destructive action	(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

ravage (verb)	derogation (verb)
make a pillaging or destructive raid on (a place), as in wartimes
cause extensive destruction or ruin utterly