| Solution | Length | |
|---|---|---|
| 4 letters | ||
| sure | 4 | |
| 5 letters | ||
| tough | 5 | |
| solid | 5 | |
| vital | 5 | |
| rigid | 5 | |
| 6 letters | ||
| torpid | 6 | |
| static | 6 | |
| stable | 6 | |
| steady | 6 | |
| 7 letters | ||
| certain | 7 | |
| tenancy | 7 | |
| lasting | 7 | |
| eternal | 7 | |
| undying | 7 | |
| 8 letters | ||
| residing | 8 | |
| timeless | 8 | |
| enduring | 8 | |
| resident | 8 | |
| dwelling | 8 | |
| unfading | 8 | |
| unshaken | 8 | |
| 9 letters | ||
| UNFAILING | 9 | |
| unceasing | 9 | |
| unaltered | 9 | |
| steadfast | 9 | |
| UNVARYING | 9 | |
| unchecked | 9 | |
| residence | 9 | |
| REMAINING | 9 | |
| residency | 9 | |
| quiescent | 9 | |
| squatting | 9 | |
| sustained | 9 | |
| 10 letters | ||
| UNCHANGING | 10 | |
| UNSHAKABLE | 10 | |
| INHABITING | 10 | |
| stationary | 10 | |
| UNWAVERING | 10 | |
| 11 letters | ||
| unfaltering | 11 | |
| UNQUALIFIED | 11 | |
| undestroyed | 11 | |
| UNREMITTING | 11 | |
| 12 letters | ||
| wholehearted | 12 | |
| UNCHANGEABLE | 12 | |
| 13 letters | ||
| UNQUESTIONING | 13 | |