fish vs shoal

fish and shoal both are nouns.

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

fish (noun)	shoal (noun)
any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills	a large group of fish
the flesh of fish used as food	a stretch of shallow water
	a sandbank in a stretch of water that is visible at low tide

fish (verb)	shoal (verb)
catch or try to catch fish or shellfish	become shallow
seek indirectly	make shallow