gun for hire vs derogation

gun for hire and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
gun for hire	Yes	No	No	No
derogation	Yes	No	No	No

gun for hire (noun)	derogation (noun)
a professional killer who uses a gun	(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