derogation vs gallows bird

derogation and gallows bird both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
gallows bird	Yes	No	No	No

derogation (noun)	gallows bird (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person who deserves to be hanged
a communication that belittles somebody or something