derogation vs hit man

derogation and hit man both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
hit man	Yes	No	No	No

derogation (noun)	hit man (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a professional killer who uses a gun
a communication that belittles somebody or something