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

• smoothens
• smoother
• smoothers
• smoothest
• smooth-faced
• smooth hound
• smooth hounds
• smoothie
• smoothies
• smoothing
• smoothing iron
• smoothing irons
• smoothing plane
• smoothing planes
• smoothings
• smoothish
• smooth-leaved
• smoothly
• smooth muscle
• smooth muscles
• smoothness
• smoothnesses
• smooth-paced
• smoothpate
• smoothpates