| Solution | Length | |
|---|---|---|
| 3 letters | ||
| vow | 3 | |
| 4 letters | ||
| risk | 4 | |
| sign | 4 | |
| back | 4 | |
| 5 letters | ||
| sworn | 5 | |
| vouch | 5 | |
| swear | 5 | |
| troth | 5 | |
| 6 letters | ||
| ratify | 6 | |
| shroud | 6 | |
| second | 6 | |
| insure | 6 | |
| screen | 6 | |
| secure | 6 | |
| shield | 6 | |
| assure | 6 | |
| 7 letters | ||
| warrant | 7 | |
| stamped | 7 | |
| promise | 7 | |
| endorse | 7 | |
| sponsor | 7 | |
| shelter | 7 | |
| protect | 7 | |
| support | 7 | |
| 8 letters | ||
| SWORN TO | 8 | |
| sanction | 8 | |
| validate | 8 | |
| swear to | 8 | |
| register | 8 | |
| 9 letters | ||
| safeguard | 9 | |
| captioned | 9 | |
| sponsored | 9 | |
| warranted | 9 | |
| subscribe | 9 | |
| guarantee | 9 | |
| SUBSIDIZE | 9 | |
| undersign | 9 | |
| validated | 9 | |
| recommend | 9 | |
| 12 letters | ||
| RUBBER STAMP | 12 | |
| stand behind | 12 | |
| subscribe-to | 12 | |
| STAND UP FOR | 12 | |