Mya vs long-neck clam

Mya and long-neck clam both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mya	Yes	No	No	No
long-neck clam	Yes	No	No	No

Mya (noun)	long-neck clam (noun)
type genus of the family Myacidae	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