slave dealer vs derogation

slave dealer and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
slave dealer	Yes	No	No	No
derogation	Yes	No	No	No

slave dealer (noun)	derogation (noun)
a person engaged in slave trade	(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