Thunnus thynnus vs horse mackerel

Thunnus thynnus and horse mackerel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Thunnus thynnus	Yes	No	No	No
horse mackerel	Yes	No	No	No

As nouns, Thunnus thynnus and horse mackerel are synonyms defined as:

Thunnus thynnus and horse mackerel: largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics

Other synonyms of Thunnus thynnus include bluefin, bluefin tuna.

Thunnus thynnus (noun)	horse mackerel (noun)
largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics	a California food fish
	large elongated compressed food fish of the Atlantic waters of Europe
	largest tuna; to 1500 pounds; of mostly temperate seas: feed in polar regions but breed in tropics