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

• folk-speech
• folk story
• folksy
• folk tale
• folk tales
• folk tune
• folk tunes
• folkway
• folkways
• folk-weave
• follicle
• follicles
• follicle-stimulating hormone
• follicle-stimulating hormones
• follicular
• folliculated
• folliculose
• folliculous
• follied
• follies
• follow
• follow-board
• follow-boards
• followed
• follower