shallow vs shoal

shallow and shoal both are nouns.

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

As nouns, shallow and shoal are synonyms defined as:

As verbs, shallow and shoal are synonyms defined as:

As verbs, shallow and shoal are synonyms defined as:

shallow (noun)	shoal (noun)
a stretch of shallow water	a large group of fish
	a stretch of shallow water
	a sandbank in a stretch of water that is visible at low tide

shallow (adjective)	shoal (adjective)
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

shallow (verb)	shoal (verb)
become shallow	become shallow
make shallow	make shallow