| 100% | CAP | 3 | Uppercase letter, for short |
| 74% | IOU | 3 | Letters for short people? |
| 71% | CAPS | 4 | Uppercase, for short |
| 63% | RECS | 4 | Teacher's letters for students, for short |
| 63% | PPS | 3 | Letter ender, for short |
| 63% | PPS | 3 | Letter addendum, for short |
| 63% | PSS | 3 | Letter addenda, for short |
| 59% | CCS | 3 | Not originals of letters, for short |
| 59% | PSS | 3 | Endings to some letters, for short |
| 59% | FRAT | 4 | House sporting Greek letters, for short |
| 59% | CAPS | 4 | Non-lowercase letters, for short |
| 57% | PPS | 3 | Second addendum to a letter, for short |
| 57% | FRATS | 5 | College houses with Greek letters, for short |
| 57% | RECS | 4 | Letters of support, for short |
| 54% | PSS | 3 | Letter add-ons, for short |
| 54% | PPS | 3 | Certain letter addendum, for short |
| 54% | SASES | 5 | Some letter enclosures, for short |
| 53% | RECS | 4 | Letters accompanying college applications, for short |
| 52% | PARAS | 5 | Parts of an essay or a letter, for short |
| 52% | SEN | 3 | Hill dweller for short |
| 52% | DEMO | 4 | Used car for short |
| 52% | ABS | 3 | Stomach muscles for short |
| 52% | EDP | 3 | Computer capability for short |
| 52% | ASSN | 4 | Professional organization for short |
| 52% | PECS | 4 | Chest muscles for short |
| 52% | APB | 3 | Police call for short |
| 52% | RPM | 3 | Engine speed for short |
| 52% | ENS | 3 | Naval rank for short |
| 52% | ROOS | 4 | Aussie marsupials for short |
| 51% | KNEES | 5 | Cutoff point for shorts |