northern porgy vs northern scup

northern porgy and northern scup both are nouns.

Word	Noun	Adjective	Verb	Adverb
northern porgy	Yes	No	No	No
northern scup	Yes	No	No	No

As nouns, northern porgy and northern scup are synonyms defined as:

northern porgy and northern scup: found in Atlantic coastal waters of North America from South Carolina to Maine; esteemed as a panfish

Other synonyms of northern porgy include scup, Stenotomus chrysops.

northern porgy (noun)	northern scup (noun)
found in Atlantic coastal waters of North America from South Carolina to Maine; esteemed as a panfish	found in Atlantic coastal waters of North America from South Carolina to Maine; esteemed as a panfish