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

• bullfinches
• bullfrog
• bullfrogs
• bull-fronted
• bullgine
• bullgines
• bullhead
• bull-headed
• bull-headedness
• bullheads
• bull-hoof
• bull-hoofs
• bull-hooves
• bullhorn
• bullhorns
• bullied
• bullier
• bullies
• bulliest
• bulling
• bullings
• bull into
• bullion
• bullionist
• bullionists