omicron /ō-mīˈkron, ōˈmi- or omˈi-/

1. The fifteenth letter of the Greek alphabet, short o (Ο, ο)
2. As a numeral οˈ =70, ˌο = 70000

• rood-steeples
• rood-tower
• rood-towers
• rood-tree
• rood-trees
• roof
• roof board
• roof boards
• roofed
• roofer
• roofers
• roof garden
• roof gardens
• roof guard
• roof guards
• Roofie
• roofier
• roofiest
• roofing
• roofings
• roofless
• rooflessness
• rooflessnesses
• rooflike
• roof plate