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

• proteaceous
• protean
• Protean
• proteas
• protease
• protease inhibitor
• protease inhibitors
• proteases
• protect
• protectant
• protectants
• protected
• protected state
• protected states
• protecting
• protectingly
• protection
• protectionism
• protectionisms
• protectionist
• protectionists
• protection money
• protections
• protective
• protective coloration