derogation vs backscratcher

derogation and backscratcher both are nouns.

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

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