| Similarity | Rank | |
|---|---|---|
| dinosaur | 0.729 | 10877 |
| paleontology | 0.690 | 76582 |
| Jurassic | 0.655 | 97947 |
| prehistoric | 0.606 | 40720 |
| [number]_million_year_ago | 0.604 | 80067 |
| stratigraphy | 0.595 | 98142 |
| shale | 0.592 | 37008 |
| outcrop | 0.583 | 75989 |
| reptile | 0.578 | 13534 |
| geological | 0.573 | 28476 |
| geology | 0.564 | 9718 |
| vertebrate | 0.564 | 40301 |
| fauna | 0.561 | 23619 |
| limestone | 0.557 | 21613 |
| skeleton | 0.552 | 9947 |
| Neanderthal | 0.551 | 52195 |
| phylogeny | 0.550 | 57662 |
| meteorite | 0.549 | 49481 |
| coal | 0.544 | 3568 |
| mollusc | 0.544 | 80317 |
| geologic | 0.543 | 88087 |
| mineralogy | 0.543 | 92953 |
| diatom | 0.541 | 70930 |
| rock_formation | 0.538 | 62960 |
| lizard | 0.534 | 18637 |