derogation vs walk-in

derogation and walk-in both are nouns.

Word	Noun	Adjective	Verb	Adverb
derogation	Yes	No	No	No
walk-in	Yes	Yes	No	No

derogation (noun)	walk-in (noun)
(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law	a small room large enough to admit entrance
a communication that belittles somebody or something	an assured victory (especially in an election)
	an operative who initiates his own defection (usually to a hostile country) for political asylum
	person who walks in without having an appointment

derogation (adjective)	walk-in (adjective)
	(of e.g. closets or refrigerators) extending very far enough back to allow a person to enter