deviationist vs derogation

deviationist and derogation both are nouns.

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

deviationist (noun)	derogation (noun)
an ideological defector from the party line (especially from orthodox communism)	(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