bort or boart /bört/

1. Diamond fragments or dust
2. A coarse diamond or crystalline form of carbon, used industrially for cutting or as an abrasive

• chirrupy
• chirt
• chirted
• chirting
• chirts
• chiru
• chirurgeon
• chirurgeonly
• chirurgery
• chirurgical
• chis
• chisel
• chiseling
• chiselled
• chiseller
• chisellers
• chiselling
• chisellings
• chisels
• chisel teeth
• chisel tooth
• Chislev
• chit
• chital
• chitals