opportunist vs derogation

opportunist and derogation both are nouns.

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

opportunist (noun)	derogation (noun)
a person who places expediency above principle	(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

opportunist (adjective)	derogation (adjective)
taking immediate advantage, often unethically, of any circumstance of possible benefit