sea scallop vs giant scallop

sea scallop and giant scallop both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea scallop	Yes	No	No	No
giant scallop	Yes	No	No	No

As nouns, sea scallop and giant scallop are synonyms defined as:

sea scallop and giant scallop: a large scallop inhabiting deep waters of the Atlantic coast of North America

Other synonyms of sea scallop include Pecten magellanicus.

sea scallop (noun)	giant scallop (noun)
a large scallop inhabiting deep waters of the Atlantic coast of North America	a large scallop inhabiting deep waters of the Atlantic coast of North America
muscle of large deep-water scallops