derogation vs thankless wretch

derogation and thankless wretch both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
thankless wretch	Yes	No	No	No

derogation (noun)	thankless wretch (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a person who shows no gratitude
a communication that belittles somebody or something