roper vs derogation

roper and derogation both are nouns.

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

roper (noun)	derogation (noun)
a craftsman who makes ropes	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
a cowboy who uses a lasso to rope cattle or horses	a communication that belittles somebody or something
a decoy who lures customers into a gambling establishment (especially one with a fixed game)