Cherrystone clam and Hard-shell clam

Cherrystone clam noun - Small quahog larger than a littleneck; eaten raw or cooked as in e.g. clams casino.

Hard-shell clam and cherrystone clam are semantically related. In some cases you can use "Hard-shell clam" instead a noun phrase "Cherrystone clam".

Hard-shell clam noun - An edible American clam; the heavy shells were used as money by some American Indians.

Cherrystone clam and hard-shell clam are semantically related. Sometimes you can replace phrase "Cherrystone clam" with "Hard-shell clam", this phrases are similar.