derogation vs prevaricator

derogation and prevaricator both are nouns.

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

derogation (noun)	prevaricator (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person who has lied or who lies repeatedly
a communication that belittles somebody or something