| Solution | Length | |
|---|---|---|
| 4 letters | ||
| ruth | 4 | |
| line | 4 | |
| tree | 4 | |
| sire | 4 | |
| 5 letters | ||
| blood | 5 | |
| scout | 5 | |
| elder | 5 | |
| stock | 5 | |
| 6 letters | ||
| origin | 6 | |
| 7 letters | ||
| premise | 7 | |
| forbear | 7 | |
| lineage | 7 | |
| 8 letters | ||
| heritage | 8 | |
| vanguard | 8 | |
| forebear | 8 | |
| pedigree | 8 | |
| 9 letters | ||
| precursor | 9 | |
| precedent | 9 | |
| prototype | 9 | |
| 10 letters | ||
| progenitor | 10 | |
| FORERUNNER | 10 | |
| forefather | 10 | |
| 11 letters | ||
| predecessor | 11 | |
| trailblazer | 11 | |
| 12 letters | ||
| primogenitor | 12 | |
| 13 letters | ||
| stormy petrel | 13 | |