| Solution | Length | |
|---|---|---|
| 3 letters | ||
| gap | 3 | |
| dar | 3 | |
| 4 letters | ||
| acta | 4 | |
| past | 4 | |
| real | 4 | |
| eras | 4 | |
| true | 4 | |
| 5 letters | ||
| alamo | 5 | |
| 6 letters | ||
| annals | 6 | |
| proved | 6 | |
| 7 letters | ||
| archive | 7 | |
| 8 letters | ||
| archives | 8 | |
| verified | 8 | |
| testable | 8 | |
| PROVABLE | 8 | |
| undenied | 8 | |
| truthful | 8 | |
| 9 letters | ||
| unrefuted | 9 | |
| UNDOUBTED | 9 | |
| veracious | 9 | |
| veritable | 9 | |
| validated | 9 | |
| 10 letters | ||
| unmistaken | 10 | |
| VERIFIABLE | 10 | |
| undeniable | 10 | |
| unconfuted | 10 | |
| 11 letters | ||
| unrefutable | 11 | |
| SUBSTANTIAL | 11 | |
| SURE ENOUGH | 11 | |
| 12 letters | ||
| UNANSWERABLE | 12 | |
| self-evident | 12 | |
| 13 letters | ||
| unimpeachable | 13 | |
| substantiated | 13 | |
| 14 letters | ||
| UNQUESTIONABLE | 14 | |