| 100% | IOU | 3 | Promise of payment, for short |
| 75% | IOU | 3 | Promise of repayment, for short |
| 62% | IOUS | 4 | Markers of promise, for short |
| 61% | IOU | 3 | Promise of payment |
| 61% | IOUS | 4 | Promises of payment |
| 61% | REPO | 4 | Take back for lack of payment, for short |
| 60% | IOU | 3 | Promise of payment letters |
| 58% | IOU | 3 | Written promise of payment |
| 58% | IOU | 3 | Informal promise of payment |
| 57% | IOU | 3 | Informal promise of payment: Abbr. |
| 56% | ONSPEC | 6 | Without promise of payment: 2 wds. |
| 56% | IOU | 3 | Promise of upcoming payment |
| 55% | BUSTOKENS | 9 | *Outmoded forms of payment for some commuters |
| 55% | RENT | 4 | Payment for use of property |
| 54% | ANTE | 4 | Payment for a hand of cards |
| 53% | STL | 3 | House of Blues for short? |
| 52% | VIG | 3 | Bookie's payment, for short |
| 52% | EFT | 3 | Direct deposit payment, for short |
| 52% | AMT | 3 | Quantity, for short (anagram of "tam") |
| 52% | THO | 3 | However, for short (anagram of "hot") |
| 51% | RENT | 4 | Regular payment for use of a property |
| 51% | DEB | 3 | Society newcomer, for short (anagram of "bed") |
| 51% | ALUM | 4 | Former student, for short (anagram of "maul") |
| 51% | PECS | 4 | Chest muscles, for short (anagram of "spec") |
| 51% | LAT | 3 | Back muscle, for short (anagram of "alt") |
| 51% | SPEC | 4 | Design detail, for short (anagram of "pecs") |
| 51% | OBIT | 4 | Memorial column, for short (anagram of "tibo") |
| 51% | IOU | 3 | Promise to repay, for short |
| 51% | IOU | 3 | Promise to pay, for short |
| 51% | AMEX | 4 | Payment option, for short |