Mya arenaria vs soft-shell clam

Mya arenaria and soft-shell clam both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mya arenaria	Yes	No	No	No
soft-shell clam	Yes	No	No	No

As nouns, Mya arenaria and soft-shell clam are synonyms defined as:

Mya arenaria and soft-shell clam: an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe

Other synonyms of Mya arenaria include long-neck clam, steamer, steamer clam.

Mya arenaria (noun)	soft-shell clam (noun)
an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe	an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe
	a clam that is usually steamed in the shell