Booty, 4 letters
Dirty money, 4 letters
Dishonestly acquired booty, 4 letters
Dishonestly acquired riches, 4 letters
Filthy lucre, 4 letters
Ill-gotten funds, 4 letters
Ill-gotten gain, 4 letters
Ill-gotten loot, 4 letters
Ill-gotten loot, perhaps, 4 letters
Ill-gotten money, 4 letters
Ill-gotten riches, 4 letters
Ill-gotten wealth, 4 letters
Ill-regarded riches, 4 letters
Lucre, 4 letters
Mere money, 4 letters
Money, 4 letters
Pirate's booty, 4 letters
Riches, 4 letters
Informal terms for money, 4 letters
Instinct to save treasure?, 16 letters
Ill-gotten gains, 5 letters