derogation vs blackguard

derogation and blackguard both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
blackguard	Yes	No	Yes	No

derogation (noun)	blackguard (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who is morally reprehensible
a communication that belittles somebody or something

derogation (verb)	blackguard (verb)
	use foul or abusive language towards
	subject to laughter or ridicule