shelvy vs shallow

shelvy is not a noun while shallow is a noun.

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

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

shelvy (adjective)	shallow (adjective)
full of submerged reefs or sandbanks or shoals	lacking physical depth; having little spatial extension downward or inward from an outer surface or backward or outward from a center
	not deep or strong; not affecting one deeply
	lacking depth of intellect or knowledge; concerned only with what is obvious

shelvy (verb)	shallow (verb)
	become shallow
	make shallow