shoal vs fish

shoal and fish both are nouns.

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

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

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