Cynoscion regalis vs weakfish

Cynoscion regalis and weakfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cynoscion regalis	Yes	No	No	No
weakfish	Yes	No	No	No

As nouns, Cynoscion regalis and weakfish are synonyms defined as:

Cynoscion regalis and weakfish: food and game fish of North American coastal waters with a mouth from which hooks easily tear out

Cynoscion regalis (noun)	weakfish (noun)
food and game fish of North American coastal waters with a mouth from which hooks easily tear out	food and game fish of North American coastal waters with a mouth from which hooks easily tear out
	lean flesh of food and game fishes of the Atlantic coast of the United States