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

• hackle
• hackled
• hackler
• hacklers
• hackles
• hacklet
• hacklets
• hacklier
• hackliest
• hackling
• hack-log
• hack-logs
• hackly
• hackmatack
• hackmatacks
• hackney
• hackney cab
• hackney cabs
• hackney carriage
• hackney carriages
• hackney coach
• hackney coaches
• hackney-coachman
• hackney-coachmen
• hackneyed