| Similarity | Rank | |
|---|---|---|
| sinkhole | 0.866 | 65413 |
| landslides | 0.789 | 51550 |
| karst | 0.777 | 78384 |
| craters | 0.772 | 38883 |
| dikes | 0.770 | 81455 |
| mudslides | 0.769 | 98586 |
| canyons | 0.761 | 30200 |
| volcanic | 0.759 | 15287 |
| outcroppings | 0.754 | 88718 |
| subsidence | 0.752 | 64297 |
| gullies | 0.736 | 60125 |
| crevasses | 0.730 | 91511 |
| boulders | 0.729 | 23635 |
| avalanches | 0.727 | 68525 |
| outcrops | 0.724 | 57445 |
| floodwaters | 0.723 | 70266 |
| caves | 0.721 | 13377 |
| volcanoes | 0.720 | 26303 |
| lava | 0.720 | 17341 |
| stalagmites | 0.718 | 88860 |
| caldera | 0.717 | 72103 |
| potholes | 0.714 | 38305 |
| caverns | 0.708 | 37863 |
| ravines | 0.708 | 59467 |
| creeks | 0.707 | 27732 |