| rapid ball(expression, sport, game, ball) |
| ringball(noun, sport, game, ball) |
| ringo(noun, sport, game, ball) |
| rock-it-ball(noun, sport, game, ball) |
| rounders(noun, sport, game, ball) |
| rugby football(expression, sport, game, ball) |
| segway polo(expression, sport, game, ball) |
| skee ball(expression, sport, game, ball) |
| snooker(noun, sport, game, ball) |
| stickball(noun, sport, game, ball) |
| underwater football(expression, sport, game, ball) |
| underwater rugby(expression, sport, game, ball) |
| wheelchair rugby(expression, sport, game, ball) |
| yak polo(expression, sport, game, ball) |
| aerobatics(noun, activity, sport, air) |
| air racing(expression, activity, sport, air) |
| banzai skydiving(expression, activity, sport, air) |
| base jumping(expression, activity, sport, air) |
| cluster ballooning(expression, activity, sport, air) |
| free time |