| Solution | Length | |
|---|---|---|
| 3 letters | ||
| ido | 3 | |
| eau | 3 | |
| 4 letters | ||
| word | 4 | |
| etas | 4 | |
| oath | 4 | |
| iota | 4 | |
| 5 letters | ||
| state | 5 | |
| vouch | 5 | |
| troth | 5 | |
| swear | 5 | |
| iotas | 5 | |
| 6 letters | ||
| pledge | 6 | |
| sacred | 6 | |
| 7 letters | ||
| warrant | 7 | |
| profess | 7 | |
| promise | 7 | |
| testify | 7 | |
| 8 letters | ||
| EPSILONS | 8 | |
| warranty | 8 | |
| swear to | 8 | |
| 9 letters | ||
| UNDERTAKE | 9 | |
| 10 letters | ||
| UNDERWRITE | 10 | |
| resolution | 10 | |
| 11 letters | ||
| UNDERTAKING | 11 | |