walk-in vs deep

walk-in and deep both are nouns.

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

walk-in (noun)	deep (noun)
a small room large enough to admit entrance	a long steep-sided depression in the ocean floor
an assured victory (especially in an election)	literary term for an ocean
an operative who initiates his own defection (usually to a hostile country) for political asylum	the central and most intense or profound part
person who walks in without having an appointment

walk-in (adjective)	deep (adjective)
(of e.g. closets or refrigerators) extending very far enough back to allow a person to enter	having great spatial extension or penetration downward or inward from an outer surface or backward or laterally or outward from a center; sometimes used in combination
	relatively deep or strong; affecting one deeply
	exhibiting great cunning usually with secrecy
	strong; intense
	very distant in time or space
	difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge
	of an obscure nature
	intense or extreme
	large in quantity or size
	with head or back bent low
	having or denoting a low vocal or instrumental range
	marked by depth of thinking
	relatively thick from top to bottom
	extending relatively far inward
	(of darkness) densely dark