Clambake and Grindstone

Clambake noun - A cookout at the seashore where clams and fish and other foods are cooked--usually on heated stones covered with seaweed.

Grindstone and clambake are semantically related. In some cases you can use "Grindstone" instead a noun "Clambake".

Grindstone noun - A revolving stone shaped like a disk; used to grind or sharpen or polish edge tools.

Clambake and grindstone are semantically related. Sometimes you can use "Clambake" instead a noun "Grindstone".