The term SOME BILLS can refer to a variety of different types of bills. TENS (4 letters) refers to paper money in the form of a ten-dollar bill, CASH (4 letters) is a slang term for money in general, FIVES (5 letters) is a five-dollar bill, ONES (4 letters) is a one-dollar bill, DOLLARS (7 letters) is a unit of currency, and TREASURIES (10 letters) are government bonds issued by the U.S. Treasury. Together, these terms refer to various forms of money that can be used to pay bills.