triarchy /trīˈär-ki/

1. Government by three people
2. A state governed by a triumvirate
3. A state divided into three parts each having its own ruler
4. One of three such parts

• coach-offices
• coach parties
• coach party
• coach road
• coach roads
• coach screw
• coach screws
• coach-stand
• coach-stands
• coach tour
• coach tours
• coach-way
• coach-ways
• coach-wheel
• coach-wheels
• coachwhip
• coachwhip-bird
• coachwhip-birds
• coachwhips
• coachwood
• coachwoods
• coachwork
• coachworks
• coachy
• coact