derogation vs ravage

derogation and ravage both are nouns.

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

derogation (noun)	ravage (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	(usually plural) a destructive action
a communication that belittles somebody or something

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