derogation vs perisher

derogation and perisher both are nouns.

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

derogation (noun)	perisher (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	bounder
a communication that belittles somebody or something