weakfish vs Cynoscion regalis

weakfish and Cynoscion regalis both are nouns.

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

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

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

weakfish (noun)	Cynoscion regalis (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