| Solution | Length | |
|---|---|---|
| 4 letters | ||
| free | 4 | |
| vamp | 4 | |
| 5 letters | ||
| verse | 5 | |
| 6 letters | ||
| treaty | 6 | |
| unpaid | 6 | |
| prefix | 6 | |
| 7 letters | ||
| preface | 7 | |
| premise | 7 | |
| studied | 7 | |
| prelude | 7 | |
| natural | 7 | |
| unasked | 7 | |
| WILLFUL | 7 | |
| WILLING | 7 | |
| 8 letters | ||
| carefree | 8 | |
| freewill | 8 | |
| honorary | 8 | |
| UNSOUGHT | 8 | |
| national | 8 | |
| optional | 8 | |
| UNFORCED | 8 | |
| prologue | 8 | |
| unbidden | 8 | |
| preamble | 8 | |
| proposed | 8 | |
| 9 letters | ||
| honoraria | 9 | |
| atalowebb | 9 | |
| paralysis | 9 | |
| projected | 9 | |
| volunteer | 9 | |
| uncoerced | 9 | |
| PROFFERED | 9 | |
| uninvited | 9 | |
| 10 letters | ||
| UNPROMPTED | 10 | |
| deliberate | 10 | |
| unrequired | 10 | |
| GRATUITOUS | 10 | |
| purposeful | 10 | |
| 11 letters | ||
| uncompelled | 11 | |
| unrequested | 11 | |
| UNPRESSURED | 11 | |
| intentional | 11 | |
| unsolicited | 11 | |
| spontaneous | 11 | |
| preliminary | 11 | |
| self acting | 11 | |
| 12 letters | ||
| DISCRETIONAL | 12 | |
| uninfluenced | 12 | |
| uncalled-for | 12 | |
| 13 letters | ||
| unconstrained | 13 | |
| 14 letters | ||
| PRESUPPOSITION | 14 | |
| 15 letters | ||
| self determined | 15 | |