| Similarity | Rank | |
|---|---|---|
| the_origin_of | 0.638 | 6560 |
| origin_of | 0.600 | 17848 |
| Charles_Darwin | 0.544 | 47817 |
| theory_about | 0.531 | 63886 |
| the_early_history_of | 0.530 | 57852 |
| evolution_of | 0.528 | 12173 |
| Theory_of | 0.522 | 47064 |
| its_origin | 0.514 | 31036 |
| the_genesis_of | 0.511 | 46462 |
| theory_of | 0.509 | 3873 |
| the_evolution_of | 0.508 | 6225 |
| preface_to | 0.505 | 61282 |
| evolutionary_theory | 0.501 | 73080 |
| his_theory | 0.498 | 53047 |
| evolution | 0.487 | 2963 |
| and_its_relation_to | 0.486 | 58633 |
| Species | 0.482 | 27807 |
| origin | 0.482 | 3982 |
| hypothesis | 0.480 | 7245 |
| the_history_of | 0.473 | 1208 |
| the_Myth_of | 0.468 | 66798 |
| Darwinism | 0.467 | 73383 |
| prehistory | 0.466 | 81951 |
| chronology_of | 0.466 | 63616 |
| treatise_on | 0.465 | 96463 |