derogation vs headless

derogation is a noun but headless is not a noun.

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

derogation (noun)	headless (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)	headless (adjective)
	not having a head or formed without a head
	not using intelligence