répétiteur /ri-pe-ti-tûrˈ or (French) rā-pā-tē-tœrˈ/

1. A coach, tutor
2. A person who rehearses opera singers, etc

• originated
• originates
• originating
• originating application
• originating summons
• origination
• originations
• originative
• originator
• originators
• origins
• orillion
• orillions
• Orimulsion
• O-ring
• oriole
• orioles
• Oriolidae
• Orion
• Orion's belt
• orisha
• orishas
• orison
• orisons
• Oriya