Bole and Pipeclay

Bole noun - The main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber.

Pipeclay and bole are semantically related. In some cases you can use "Pipeclay" instead a noun "Bole".

Pipeclay noun - Fine white clay used in making tobacco pipes and pottery and in whitening leather.

Bole and pipeclay are semantically related. You can use "Bole" instead a noun "Pipeclay".