half-wit vs derogation

half-wit and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
half-wit	Yes	No	No	No
derogation	Yes	No	No	No

half-wit (noun)	derogation (noun)
a stupid incompetent person	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
a person of subnormal intelligence	a communication that belittles somebody or something