scombroid fish vs scombroid

scombroid fish and scombroid both are nouns.

Word	Noun	Adjective	Verb	Adverb
scombroid fish	Yes	No	No	No
scombroid	Yes	No	No	No

As nouns, scombroid fish and scombroid are synonyms defined as:

scombroid fish and scombroid: important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters

scombroid fish (noun)	scombroid (noun)
important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters	important marine food and game fishes found in all tropical and temperate seas; some are at least partially endothermic and can thrive in colder waters