derogation vs bump off

derogation is a noun but bump off is not a noun.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
bump off	No	No	Yes	No

derogation (noun)	bump off (noun)
(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

derogation (verb)	bump off (verb)
	kill intentionally and with premeditation