cherrystone vs hard-shell clam

cherrystone and hard-shell clam both are nouns.

Word	Noun	Adjective	Verb	Adverb
cherrystone	Yes	No	No	No
hard-shell clam	Yes	No	No	No

As nouns, hard-shell clam is a hypernym of cherrystone; that is, hard-shell clam is a word with a broader meaning than cherrystone:

cherrystone: a half-grown quahog
hard-shell clam: an edible American clam; the heavy shells were used as money by some American Indians

Other hypernyms of cherrystone include hard clam, Mercenaria mercenaria, quahaug, quahog, round clam, Venus mercenaria.

As nouns, hard-shell clam is a hypernym of cherrystone; that is, hard-shell clam is a word with a broader meaning than cherrystone:

cherrystone: small quahog larger than a littleneck; eaten raw or cooked as in e.g. clams casino
hard-shell clam: Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes

Other hypernyms of cherrystone include quahaug, quahog, round clam.

cherrystone (noun)	hard-shell clam (noun)
a half-grown quahog	an edible American clam; the heavy shells were used as money by some American Indians
small quahog larger than a littleneck; eaten raw or cooked as in e.g. clams casino	Atlantic coast round clams with hard shells; large clams usually used for chowders or other clam dishes