foul-smelling vs derogation

foul-smelling is not a noun while derogation is a noun.

Word	Noun	Adjective	Verb	Adverb
foul-smelling	No	Yes	No	No
derogation	Yes	No	No	No

foul-smelling (noun)	derogation (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

foul-smelling (adjective)	derogation (adjective)
offensively malodorous