runoff (n.)

• bout
• by-election
• caucus
• contest
• decathlon
• discharge
• doubles
• drain
• drainage
• effluence
• efflux
• effusion
• election
• event
• exhalation
• exhaust
• foursome
• game
• go
• gush
• match
• meet
• outfall
• outflow
• outpouring
• pentathlon
• play
• primary
• race
• referendum
• singles
• sport
• threesome
• twosome