potlatch, also potlach /potˈlach/

1. In NW USA, a Native American winter festival, the occasion for emulation in extravagant gift-giving and, in one tribe, even property-destruction
2. Any feast or gift (informal)

• testudos
• testy
• Tet
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• tetanisation
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• tetanize
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• tetanus
• tetanuses
• tetany
• tetartohedral