kvetch vs derogation

kvetch and derogation both are nouns.

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

kvetch (noun)	derogation (noun)
(Yiddish) a nagging complaint	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
(Yiddish) a constant complainer	a communication that belittles somebody or something

kvetch (verb)	derogation (verb)
express complaints, discontent, displeasure, or unhappiness