| Similarity | Rank | |
|---|---|---|
| stalactites | 0.982 | 74724 |
| caves | 0.845 | 13377 |
| caverns | 0.811 | 37863 |
| lava | 0.809 | 17341 |
| waterfalls | 0.800 | 17212 |
| boulders | 0.786 | 23635 |
| outcroppings | 0.782 | 88718 |
| outcrops | 0.778 | 57445 |
| pinnacles | 0.776 | 71411 |
| limestone | 0.766 | 15497 |
| karst | 0.762 | 78384 |
| basalt | 0.761 | 47675 |
| cave | 0.759 | 7466 |
| icicles | 0.757 | 79271 |
| cliffs | 0.753 | 14612 |
| gorges | 0.753 | 50682 |
| cavern | 0.752 | 29318 |
| spires | 0.752 | 48810 |
| sandstone | 0.749 | 24592 |
| rocks | 0.746 | 5025 |
| volcanic | 0.743 | 15287 |
| volcanoes | 0.734 | 26303 |
| canyons | 0.734 | 30200 |
| pyramids | 0.731 | 27530 |
| crevasses | 0.730 | 91511 |