Synonyms:
- Little Joe,
- biquadrate,
- bout,
- contest,
- decathlon,
- double-header,
- doubles,
- event,
- four,
- four-part diaphony,
- game,
- games of chance,
- go,
- match,
- meet,
- pentathlon,
- play,
- play-off,
- quad,
- quadrangle,
- quadrature,
- quadrennium,
- quadrilateral,
- quadrille,
- quadrinomial,
- quadruplet,
- quartet,
- quatern,
- quaternary,
- quaternion,
- quaternity,
- quatrefoil,
- race,
- rectangle,
- runoff,
- singles,
- sport,
- square,
- square dance,
- squaring,
- tetrad,
- tetragon,
- tetragram,
- tetragrammaton,
- tetrahedron,
- tetralogy,
- tetraphony,
- tetrapody,
- threesome,
- twosome