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

• whetter
• whetters
• whetting
• wheugh
• wheughed
• wheughing
• wheughs
• whew
• whewed
• whewellite
• whewellites
• whewing
• whews
• whey
• wheyey
• whey-face
• whey-faced
• whey-faces
• wheyier
• wheyiest
• wheyish
• wheyishness
• wheyishnesses
• wheys
• whey tub