blue jack vs Oncorhynchus kisutch

blue jack and Oncorhynchus kisutch both are nouns.

Word	Noun	Adjective	Verb	Adverb
blue jack	Yes	No	No	No
Oncorhynchus kisutch	Yes	No	No	No

As nouns, blue jack and Oncorhynchus kisutch are synonyms defined as:

blue jack and Oncorhynchus kisutch: small salmon of northern Pacific coasts and the Great Lakes

Other synonyms of blue jack include coho, coho salmon, cohoe, silver salmon.

blue jack (noun)	Oncorhynchus kisutch (noun)
small salmon of northern Pacific coasts and the Great Lakes	small salmon of northern Pacific coasts and the Great Lakes