walleye vs Stizostedion vitreum

walleye and Stizostedion vitreum both are nouns.

Word	Noun	Adjective	Verb	Adverb
walleye	Yes	No	No	No
Stizostedion vitreum	Yes	No	No	No

As nouns, walleye and Stizostedion vitreum are synonyms defined as:

Other synonyms of walleye include dory, jack salmon, walleyed pike.

walleye (noun)	Stizostedion vitreum (noun)
pike-like freshwater perches	pike-like freshwater perches
strabismus in which one or both eyes are directed outward