bonanza (n.)

• abundance
• affluence
• ampleness
• amplitude
• avalanche
• bountifulness
• copiousness
• cornucopia
• eldorado
• extravagance
• exuberance
• fertility
• flood
• flow
• font
• fount
• fountain
• fullness
• generosity
• generousness
• gush
• house
• landslide
• lavishness
• liberality
• liberalness
• lode
• lots
• luxuriance
• maximum
• mine
• much
• myriad
• numerousness
• opulence
• outpouring
• overflow
• plenitude
• plenteousness
• plentifulness
• plenty
• prevalence
• prodigality
• productiveness
• profuseness
• profusion
• quarry
• repletion
• resource
• richness
• riot
• scads
• shower
• source
• spate
• spring
• staple
• stream
• substantiality
• substantialness
• superabundance
• teemingness
• treasure
• treasury
• vein
• wealth
• well
• wellspring