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

• lyrebirds
• lyre guitar
• lyre guitars
• lyres
• lyric
• lyrical
• lyrically
• lyricism
• lyricisms
• lyricist
• lyricists
• lyricon
• lyricons
• lyrics
• lyriform
• lyriform organs
• lyrism
• lyrisms
• lyrist
• lyrists
• -lyse
• lyse
• lysed
• Lysenkoism
• lysergic acid