bonanza /bə-nanˈzə or bəʊ- or bo-/

1. A rich mine or vein of precious ore (N American)
2. A large amount of (usu) silver
3. Any source of wealth or stroke of luck

Very prosperous

• tutty
• tutu
• tutus
• tutwork
• tutworker
• tutworkers
• tutworkman
• tutworkmen
• tutworks
• Tuvaluan
• tu-whit tu-whoo
• tu-whoo
• tu-whooed
• tu-whooing
• tu-whoos
• tux
• tuxedo
• tuxedoes
• tuxedos
• tuxes
• tuyère
• tuyères
• tuzz
• tuzzes
• tuzzi-muzzy