king mackerel vs cavalla

king mackerel and cavalla both are nouns.

Word	Noun	Adjective	Verb	Adverb
king mackerel	Yes	No	No	No
cavalla	Yes	No	No	No

As nouns, king mackerel and cavalla are synonyms defined as:

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

Other synonyms of king mackerel include cero, Scomberomorus cavalla.

king mackerel (noun)	cavalla (noun)
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