| Solution | Length | |
|---|---|---|
| 4 letters | ||
| root | 4 | |
| rise | 4 | |
| rite | 4 | |
| stem | 4 | |
| 5 letters | ||
| onset | 5 | |
| start | 5 | |
| radix | 5 | |
| stock | 5 | |
| 6 letters | ||
| source | 6 | |
| origin | 6 | |
| outset | 6 | |
| ritual | 6 | |
| 7 letters | ||
| radical | 7 | |
| preface | 7 | |
| opening | 7 | |
| service | 7 | |
| prelude | 7 | |
| taproot | 7 | |
| takeoff | 7 | |
| kickoff | 7 | |
| 8 letters | ||
| aperture | 8 | |
| 9 letters | ||
| threshold | 9 | |
| INDUCTION | 9 | |
| inception | 9 | |
| principle | 9 | |
| send off | 9 | |
| solemnity | 9 | |
| 10 letters | ||
| provenance | 10 | |
| initiation | 10 | |
| GRADUATION | 10 | |
| foundation | 10 | |
| 11 letters | ||
| provenience | 11 | |
| preparation | 11 | |
| 12 letters | ||
| Inauguration | 12 | |
| 13 letters | ||
| running-start | 13 | |
| 14 letters | ||
| starting point | 14 | |
| 15 letters | ||
| rite of passage | 15 | |