cero vs Scomberomorus regalis

cero and Scomberomorus regalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
cero	Yes	No	No	No
Scomberomorus regalis	Yes	No	No	No

As nouns, cero and Scomberomorus regalis are synonyms defined as:

cero and Scomberomorus regalis: large edible mackerel of temperate United States coastal Atlantic waters

Other synonyms of cero include kingfish, pintado.

cero (noun)	Scomberomorus regalis (noun)
large edible mackerel of temperate United States coastal Atlantic waters	large edible mackerel of temperate United States coastal Atlantic waters
large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil