| Solution | Length | |
|---|---|---|
| 3 letters | ||
| set | 3 | |
| tie | 3 | |
| try | 3 | |
| fix | 3 | |
| 4 letters | ||
| sign | 4 | |
| test | 4 | |
| prop | 4 | |
| rite | 4 | |
| wont | 4 | |
| itis | 4 | |
| root | 4 | |
| tame | 4 | |
| tell | 4 | |
| show | 4 | |
| seal | 4 | |
| seat | 4 | |
| aver | 4 | |
| 5 letters | ||
| stamp | 5 | |
| vouch | 5 | |
| renew | 5 | |
| steel | 5 | |
| taste | 5 | |
| prove | 5 | |
| plant | 5 | |
| assay | 5 | |
| train | 5 | |
| close | 5 | |
| state | 5 | |
| stand | 5 | |
5 | ||
| wedge | 5 | |
| 6 letters | ||
| sample | 6 | |
| attest | 6 | |
| uphold | 6 | |
| ritual | 6 | |
| rekeys | 6 | |
| set in | 6 | |
| second | 6 | |
| secure | 6 | |
| ensure | 6 | |
| assure | 6 | |
| temper | 6 | |
| season | 6 | |
| strike | 6 | |
| verify | 6 | |
| ratify | 6 | |
| settle | 6 | |
| 7 letters | ||
| bearout | 7 | |
| endorse | 7 | |
| try out | 7 | |
| certify | 7 | |
| retypes | 7 | |
| TAKE TO | 7 | |
| protest | 7 | |
| stiffen | 7 | |
| fortify | 7 | |
| sustain | 7 | |
| probate | 7 | |
| refresh | 7 | |
| sponsor | 7 | |
| toughen | 7 | |
| warrant | 7 | |
| profess | 7 | |
| support | 7 | |
| 8 letters | ||
| reenters | 8 | |
| attestto | 8 | |
| swear to | 8 | |
| identify | 8 | |
| makesure | 8 | |
| shore up | 8 | |
| research | 8 | |
| sanction | 8 | |
| sanctify | 8 | |
| validate | 8 | |
| 9 letters | ||
| authorize | 9 | |
| reinforce | 9 | |
| establish | 9 | |
| road test | 9 | |
| reinstate | 9 | |
| undersign | 9 | |
| undergird | 9 | |
| 10 letters | ||
| UNDERWRITE | 10 | |
| INVIGORATE | 10 | |
| stereotype | 10 | |
| perpetuate | 10 | |
| strengthen | 10 | |
| 11 letters | ||
| corroborate | 11 | |
| stabilitate | 11 | |
| 12 letters | ||
| STAND UP FOR | 12 | |
| subscribe-to | 12 | |
| substantiate | 12 | |
| stand behind | 12 | |
| RUBBER STAMP | 12 | |
| 13 letters | ||
| aislebedarned | 13 | |
| 15 letters | ||
| set the seal on | 15 | |