Alabaster and Plaster cast

Alabaster noun - A compact fine-textured, usually white gypsum used for carving.

Plaster cast and alabaster are semantically related in plaster topic. In some cases you can use "Plaster cast" instead a noun "Alabaster", when it comes to topics like plaster of Paris.

Plaster cast noun - Bandage consisting of a firm covering (often made of plaster of Paris) that immobilizes broken bones while they heal.

Alabaster and plaster cast are semantically related in plaster topic. You can use "Alabaster" instead a noun phrase "Plaster cast", if it concerns topics such as plaster of Paris.