broch¹, also brogh or brough /brohh/

1. A dry-built circular tower of the late Iron Age with galleries in the thickness of the wall, common in Scotland, very rare elsewhere
2. A luminous ring around the moon

• squabblers
• squabbles
• squabbling
• rubidiums
• rubidium-strontium dating
• rubied
• rubier
• rubies
• rubiest
• rubified
• rubify
• rubifying
• rubiginose
• rubiginous
• Rubik's Cube
• rub in
• rubin
• rubine
• rubineous
• rubines
• rubins
• rubious
• ruble
• rubles
• rub off on