| Similarity | Rank | |
|---|---|---|
| manmade | 0.977 | 39540 |
| artificial | 0.707 | 5568 |
| natural | 0.678 | 530 |
| volcanic | 0.638 | 15287 |
| synthetic | 0.627 | 7219 |
| anthropogenic | 0.622 | 46957 |
| biosphere | 0.618 | 44340 |
| earth's | 0.614 | 19250 |
| reefs | 0.612 | 16565 |
| naturally-occurring | 0.611 | 94684 |
| lagoons | 0.602 | 39974 |
| uncontaminated | 0.602 | 86508 |
| ecological | 0.602 | 9588 |
| nature's | 0.601 | 22532 |
| freshwater | 0.600 | 17722 |
| impervious | 0.599 | 36679 |
| oceans | 0.596 | 13547 |
| impermeable | 0.594 | 70228 |
| tsunamis | 0.593 | 54433 |
| rainforests | 0.591 | 35372 |
| pristine | 0.588 | 12617 |
| synthetics | 0.587 | 53667 |
| sinkholes | 0.585 | 93879 |
| coral | 0.584 | 11031 |
| volcanoes | 0.583 | 26303 |