derogation vs poor people

derogation and poor people both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
poor people	Yes	No	No	No

derogation (noun)	poor people (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	people without possessions or wealth (considered as a group)
a communication that belittles somebody or something