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

• progymnasiums
• pro hac vice
• prohibit
• prohibited
• prohibiter
• prohibiters
• prohibiting
• prohibition
• prohibitionary
• prohibitionism
• prohibitionisms
• prohibitionist
• prohibitionists
• prohibitions
• prohibitive
• prohibitively
• prohibitiveness
• prohibitivenesses
• prohibitor
• prohibitors
• prohibitory
• prohibits
• proign
• proin
• pro indiviso