operator vs derogation

operator and derogation both are nouns.

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

operator (noun)	derogation (noun)
an agent that operates some apparatus or machine	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
someone who owns or operates a business	a communication that belittles somebody or something
a shrewd or unscrupulous person who knows how to circumvent difficulties
a speculator who trades aggressively on stock or commodity markets
(mathematics) a symbol or function representing a mathematical operation