perv vs derogation

perv and derogation both are nouns.

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

perv (noun)	derogation (noun)
a person whose behavior deviates from what is acceptable especially in sexual behavior	(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

perv (verb)	derogation (verb)
look at with amorous intentions