| Solution | Length | |
|---|---|---|
| 2 letters | ||
| to | 2 | |
| 3 letters | ||
| set | 3 | |
| gel | 3 | |
| 4 letters | ||
| slog | 4 | |
| toil | 4 | |
| tame | 4 | |
| prop | 4 | |
| sink | 4 | |
| iola | 4 | |
| wont | 4 | |
| 5 letters | ||
| inure | 5 | |
| steel | 5 | |
| enure | 5 | |
| stiff | 5 | |
| train | 5 | |
| 6 letters | ||
| hearty | 6 | |
| soften | 6 | |
| ossify | 6 | |
| anneal | 6 | |
| temper | 6 | |
| season | 6 | |
| 7 letters | ||
| toughen | 7 | |
| compact | 7 | |
| stiffen | 7 | |
| support | 7 | |
| refresh | 7 | |
| confirm | 7 | |
| thicken | 7 | |
| sustain | 7 | |
| 8 letters | ||
| striving | 8 | |
| SLOGTOIL | 8 | |
| INDURATE | 8 | |
| shore up | 8 | |
| SOLIDIFY | 8 | |
| 9 letters | ||
| sisyphean | 9 | |
| undergird | 9 | |
| habituate | 9 | |
| reinforce | 9 | |
| 10 letters | ||
| strengthen | 10 | |
| 11 letters | ||
| consolidate | 11 | |
| choreograph | 11 | |