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

• systematizer
• systematizers
• systematizes
• systematizing
• systematologies
• systematology
• system building
• system-built
• systemed
• systemic
• systemisation
• systemisations
• systemise
• systemised
• systemises
• systemising
• systemization
• systemizations
• systemize
• systemized
• systemizes
• systemizing
• systemless
• system-maker
• system-makers