derogation vs party pooper

derogation and party pooper both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
party pooper	Yes	No	No	No

derogation (noun)	party pooper (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	someone who spoils the pleasure of others
a communication that belittles somebody or something