derogation vs vacant

derogation is a noun but vacant is not a noun.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
vacant	No	Yes	No	No

derogation (noun)	vacant (noun)
(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

derogation (adjective)	vacant (adjective)
	without an occupant or incumbent
	devoid of intelligence or thought