lemon sole vs Parophrys vitulus

lemon sole and Parophrys vitulus both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon sole	Yes	No	No	No
Parophrys vitulus	Yes	No	No	No

As nouns, lemon sole and Parophrys vitulus are synonyms defined as:

lemon sole and Parophrys vitulus: popular pale brown food flatfish of the Pacific coast of North America

Other synonyms of lemon sole include English sole.

lemon sole (noun)	Parophrys vitulus (noun)
small European sole	popular pale brown food flatfish of the Pacific coast of North America
European flatfish highly valued as food
important American food fish in the winter
popular pale brown food flatfish of the Pacific coast of North America
highly valued almost pure white flesh
flesh of American flounder; important in the winter