deep vs profound

deep is a noun but profound is not a noun.

Word	Noun	Adjective	Verb	Adverb
deep	Yes	Yes	No	Yes
profound	No	Yes	No	No

deep (noun)	profound (noun)
a long steep-sided depression in the ocean floor
literary term for an ocean
the central and most intense or profound part

deep (adjective)	profound (adjective)
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	showing intellectual penetration or emotional depth
relatively deep or strong; affecting one deeply	situated at or extending to great depth; too deep to have been sounded or plumbed
exhibiting great cunning usually with secrecy	(of sleep) deep and complete
strong; intense	of the greatest intensity; complete
very distant in time or space	far-reaching and thoroughgoing in effect especially on the nature of something
difficult to penetrate; incomprehensible to one of ordinary understanding or knowledge	coming from deep within one
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