unpleasant person vs derogation

unpleasant person and derogation both are nouns.

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

unpleasant 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