| Solution | Length | |
|---|---|---|
| 3 letters | ||
| lit | 3 | |
| set | 3 | |
| 4 letters | ||
| prop | 4 | |
| achy | 4 | |
| 5 letters | ||
| rigid | 5 | |
| setae | 5 | |
| steel | 5 | |
| short | 5 | |
| brace | 5 | |
| shock | 5 | |
| tense | 5 | |
| 6 letters | ||
| frigid | 6 | |
| square | 6 | |
| temper | 6 | |
| starch | 6 | |
| harden | 6 | |
| 7 letters | ||
| agilely | 7 | |
| pieeyed | 7 | |
| thicken | 7 | |
| support | 7 | |
| toughen | 7 | |
| tighten | 7 | |
| TURN ON | 7 | |
| sustain | 7 | |
| refresh | 7 | |
| 8 letters | ||
| step up | 8 | |
| bristles | 8 | |
| turn-off | 8 | |
| shore up | 8 | |
| 9 letters | ||
| undergird | 9 | |
| screw up | 9 | |
| step down | 9 | |
| reinforce | 9 | |
| 10 letters | ||
| switch off | 10 | |
| strengthen | 10 | |
| 13 letters | ||
| short circuit | 13 | |