Drywall and Fibreboard

Drywall noun - A wide flat board used to cover walls or partitions; made from plaster or wood pulp or other materials and used primarily to form the interior walls of houses.

Fibreboard and drywall are semantically related. In some cases you can replace term "Fibreboard" with "Drywall", this nouns are similar.

Fibreboard noun - Wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets.

Drywall and fibreboard are semantically related. You can use "Drywall" instead a noun "Fibreboard".