nominal head vs derogation

nominal head and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
nominal head	Yes	No	No	No
derogation	Yes	No	No	No

nominal head (noun)	derogation (noun)
a person used as a cover for some questionable activity	(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