Is “Bonanza” a Scrabble word?
Yes
BONANZA
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Bonanza
/bəˈnænzə/
noun
1.A rich mine or vein of silver or gold.
2.The point at which two mother lodes intersect.
3.(by extension) Anything which is a mine of wealth or yields a large income or return.
“The popular show quickly became a ratings bonanza for the network.”
Synonyms: mother lode