backscratcher vs derogation

backscratcher and derogation both are nouns.

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

backscratcher (noun)	derogation (noun)
a long-handled scratcher for scratching your back	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
someone who is willing to trade favors or services for mutual advantage	a communication that belittles somebody or something