| Solution | Length | |
|---|---|---|
| 3 letters | ||
| vow | 3 | |
| tie | 3 | |
| ice | 3 | |
| 4 letters | ||
| spec | 4 | |
| bond | 4 | |
| sign | 4 | |
| seal | 4 | |
| word | 4 | |
| 5 letters | ||
| vouch | 5 | |
| swear | 5 | |
| troth | 5 | |
| 6 letters | ||
| screen | 6 | |
| pledge | 6 | |
| shroud | 6 | |
| ratify | 6 | |
| affirm | 6 | |
| insure | 6 | |
| avouch | 6 | |
| secure | 6 | |
| verify | 6 | |
| surety | 6 | |
| ensure | 6 | |
| assure | 6 | |
| shield | 6 | |
| 7 letters | ||
| promise | 7 | |
| warrant | 7 | |
| swearto | 7 | |
| provide | 7 | |
| protect | 7 | |
| testify | 7 | |
| shelter | 7 | |
| sponsor | 7 | |
| surebet | 7 | |
| 8 letters | ||
| warranty | 8 | |
| swear to | 8 | |
| security | 8 | |
| register | 8 | |
| makesure | 8 | |
| VOUCHFOR | 8 | |
| 9 letters | ||
| stipulate | 9 | |
| safeguard | 9 | |
| UNDERTAKE | 9 | |
| undersign | 9 | |
| assurance | 9 | |
| 10 letters | ||
| UNDERWRITE | 10 | |
| 11 letters | ||
| underwriter | 11 | |
| stipulation | 11 | |
| REASSURANCE | 11 | |
| UNDERTAKING | 11 | |
| 12 letters | ||
| STAND UP FOR | 12 | |
| subscribe-to | 12 | |
| stand behind | 12 | |
| 16 letters | ||
| stocks and bonds | 16 | |