| Similarity | Rank | |
|---|---|---|
| prehistoric | 0.860 | 22958 |
| pre-historic | 0.840 | 93508 |
| archaeology | 0.817 | 25575 |
| archeology | 0.800 | 60096 |
| anthropological | 0.790 | 38948 |
| Neolithic | 0.783 | 43645 |
| civilisations | 0.780 | 60506 |
| civilisation | 0.774 | 28525 |
| civilizations | 0.773 | 19966 |
| Pleistocene | 0.769 | 71860 |
| pre-Columbian | 0.767 | 84702 |
| civilization | 0.764 | 8055 |
| Prehistoric | 0.758 | 79408 |
| antiquity | 0.757 | 25157 |
| origins | 0.754 | 8536 |
| millennia | 0.748 | 24264 |
| archaeological | 0.747 | 15673 |
| ancient | 0.747 | 2250 |
| paleontology | 0.746 | 82521 |
| Paleolithic | 0.743 | 60944 |
| archeological | 0.738 | 33105 |
| historiography | 0.732 | 63291 |
| pre-modern | 0.728 | 96527 |
| millenia | 0.727 | 80184 |
| Archaic | 0.721 | 81589 |