| Solution | Length | |
|---|---|---|
| 4 letters | ||
| then | 4 | |
| root | 4 | |
| rude | 4 | |
| wild | 4 | |
| 5 letters | ||
| early | 5 | |
| first | 5 | |
| crude | 5 | |
| prior | 5 | |
| prime | 5 | |
| rural | 5 | |
| 6 letters | ||
| savage | 6 | |
| quaint | 6 | |
| simple | 6 | |
| primal | 6 | |
| severe | 6 | |
| remote | 6 | |
| animal | 6 | |
| recent | 6 | |
| 7 letters | ||
| ancient | 7 | |
| leading | 7 | |
| archaic | 7 | |
| untamed | 7 | |
| primary | 7 | |
| primate | 7 | |
| unkempt | 7 | |
| quondam | 7 | |
| uncouth | 7 | |
| stylist | 7 | |
| radical | 7 | |
| seminal | 7 | |
| uncivil | 7 | |
| 8 letters | ||
| previous | 8 | |
| unlicked | 8 | |
| pristine | 8 | |
| UNCOMBED | 8 | |
| prenatal | 8 | |
| stoneage | 8 | |
| sometime | 8 | |
| pregnant | 8 | |
| primeval | 8 | |
| 9 letters | ||
| stone-age | 9 | |
| unrefined | 9 | |
| 10 letters | ||
| UNDERLYING | 10 | |
| troglodyte | 10 | |
| UNCULTURED | 10 | |
| vernacular | 10 | |
| primordial | 10 | |
| UNPOLISHED | 10 | |
| protohuman | 10 | |
| 11 letters | ||
| SUBSTANTIVE | 11 | |
| rudimentary | 11 | |
| uncivilized | 11 | |
| TIMEHONORED | 11 | |
| prehistoric | 11 | |
| SUBSTANTIAL | 11 | |
| neanderthal | 11 | |
| procreative | 11 | |
| 12 letters | ||
| UNCULTIVATED | 12 | |
| 13 letters | ||
| old-fashioned | 13 | |
| protohistoric | 13 | |
| stone age man | 13 | |
| 15 letters | ||
| UNSOPHISTICATED | 15 | |
| prehistoric man | 15 | |