cavalla vs king mackerel

cavalla and king mackerel both are nouns.

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

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

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

Other synonyms of cavalla include cero, Scomberomorus cavalla.

cavalla (noun)	king mackerel (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