lemon sole vs Microstomus kitt

lemon sole and Microstomus kitt both are nouns.

Word	Noun	Adjective	Verb	Adverb
lemon sole	Yes	No	No	No
Microstomus kitt	Yes	No	No	No

As nouns, lemon sole and Microstomus kitt are synonyms defined as:

lemon sole and Microstomus kitt: European flatfish highly valued as food

lemon sole (noun)	Microstomus kitt (noun)
small European sole	European flatfish highly valued as food
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