disagreeable person vs derogation

disagreeable person and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
disagreeable person	Yes	No	No	No
derogation	Yes	No	No	No

disagreeable person (noun)	derogation (noun)
a person who is not pleasant or agreeable	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
	a communication that belittles somebody or something