wakeful vs shallow

wakeful is not a noun while shallow is a noun.

Word	Noun	Adjective	Verb	Adverb
wakeful	No	Yes	No	No
shallow	Yes	Yes	Yes	No

wakeful (noun)	shallow (noun)
	a stretch of shallow water

wakeful (adjective)	shallow (adjective)
carefully observant or attentive; on the lookout for possible danger	lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center
marked by full consciousness or alertness	not deep or strong; not affecting one deeply
(of sleep) easily disturbed	lacking depth of intellect or knowledge; concerned only with what is obvious

wakeful (verb)	shallow (verb)
	become shallow
	make shallow