| Solution | Length | |
|---|---|---|
| 5 letters | ||
| sound | 5 | |
| 6 letters | ||
| viable | 6 | |
| trusty | 6 | |
| 8 letters | ||
| reliable | 8 | |
| 9 letters | ||
| THINKABLE | 9 | |
| 10 letters | ||
| DEFENSIBLE | 10 | |
| HOLDSWATER | 10 | |
| vindicable | 10 | |
| consistent | 10 | |
| reasonable | 10 | |
| 11 letters | ||
| supportable | 11 | |
| presumptive | 11 | |
| trustworthy | 11 | |
| warrantable | 11 | |
| JUSTIFIABLE | 11 | |
| 12 letters | ||
| maintainable | 12 | |
| 13 letters | ||
| unimpeachable | 13 | |
| 14 letters | ||
| UNQUESTIONABLE | 14 | |
| 15 letters | ||
| UNOBJECTIONABLE | 15 | |
| unexceptionable | 15 | |