ungrateful person vs derogation

ungrateful person and derogation both are nouns.

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

ungrateful person (noun)	derogation (noun)
a person who shows no gratitude	(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