jack salmon vs walleye

jack salmon and walleye both are nouns.

Word	Noun	Adjective	Verb	Adverb
jack salmon	Yes	No	No	No
walleye	Yes	No	No	No

As nouns, jack salmon and walleye are synonyms defined as:

Other synonyms of jack salmon include dory, Stizostedion vitreum, walleyed pike.

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