derogation vs femme fatale

derogation and femme fatale both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
femme fatale	Yes	No	No	No

derogation (noun)	femme fatale (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a woman who is considered to be dangerously seductive
a communication that belittles somebody or something