fishery vs piscary

fishery and piscary both are nouns.

Word	Noun	Adjective	Verb	Adverb
fishery	Yes	No	No	No
piscary	Yes	No	No	No

As nouns, fishery and piscary are synonyms defined as:

fishery and piscary: a workplace where fish are caught and processed and sold

fishery (noun)	piscary (noun)
a workplace where fish are caught and processed and sold	a workplace where fish are caught and processed and sold