cero vs cavalla

cero and cavalla both are nouns.

Word	Noun	Adjective	Verb	Adverb
cero	Yes	No	No	No
cavalla	Yes	No	No	No

As nouns, cero and cavalla are synonyms defined as:

cero and cavalla: large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil

Other synonyms of cero include king mackerel, Scomberomorus cavalla.

cero (noun)	cavalla (noun)
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
large mackerel with long pointed snout; important food and game fish of the eastern Atlantic coast southward to Brazil