| Solution | Length | |
|---|---|---|
| 3 letters | ||
| old | 3 | |
| eon | 3 | |
| 4 letters | ||
| aged | 4 | |
| 5 letters | ||
| epoch | 5 | |
| tough | 5 | |
| vital | 5 | |
| 6 letters | ||
| seated | 6 | |
| AGEOLD | 6 | |
| stable | 6 | |
| torpor | 6 | |
| rooted | 6 | |
| steady | 6 | |
| stasis | 6 | |
| 7 letters | ||
| classic | 7 | |
| 8 letters | ||
| nellgwyn | 8 | |
| retainer | 8 | |
| standing | 8 | |
| unfading | 8 | |
| survival | 8 | |
| solidity | 8 | |
| seasoned | 8 | |
| RECEIVED | 8 | |
| rigidity | 8 | |
| 9 letters | ||
| venerable | 9 | |
| REMAINING | 9 | |
| stability | 9 | |
| true-blue | 9 | |
| unwritten | 9 | |
| steadfast | 9 | |
| 10 letters | ||
| worshipful | 10 | |
| reputation | 10 | |
| understood | 10 | |
| QUIESCENCE | 10 | |
| RECOGNIZED | 10 | |
| 11 letters | ||
| traditional | 11 | |
| TIMEHONORED | 11 | |
| 12 letters | ||
| time-honored | 12 | |
| PRESCRIPTIVE | 12 | |
| 14 letters | ||
| tried-and-true | 14 | |
| 15 letters | ||
| ancientmonument | 15 | |