| Similarity | Rank | |
|---|---|---|
| ecological | 0.757 | 7231 |
| ecosystem | 0.726 | 13337 |
| biodiversity | 0.691 | 24873 |
| parasitology | 0.688 | 46591 |
| biogeography | 0.687 | 29552 |
| biology | 0.678 | 5658 |
| ecologist | 0.674 | 16238 |
| biosphere | 0.673 | 29495 |
| terrestrial | 0.669 | 12355 |
| biological | 0.666 | 3742 |
| hydrology | 0.666 | 36871 |
| iucn | 0.665 | 43944 |
| rain-forest | 0.664 | 59512 |
| habitat | 0.662 | 4730 |
| mutualistic | 0.659 | 96143 |
| climatology | 0.658 | 32206 |
| cryptogamic | 0.654 | 68634 |
| orangutan | 0.652 | 51769 |
| virology | 0.649 | 71881 |
| conservation | 0.649 | 2346 |
| conservancy | 0.647 | 18560 |
| geomorphology | 0.644 | 17581 |
| vegetation | 0.643 | 5804 |
| genetics | 0.642 | 12518 |
| microbiology | 0.639 | 27611 |