| Similarity | Rank | |
|---|---|---|
| caves | 0.899 | 13377 |
| cavern | 0.862 | 29318 |
| caverns | 0.819 | 37863 |
| grotto | 0.784 | 46493 |
| stalactites | 0.764 | 74724 |
| stalagmites | 0.759 | 88860 |
| Cave | 0.758 | 15429 |
| ruins | 0.757 | 9898 |
| Caves | 0.743 | 35185 |
| crater | 0.735 | 20587 |
| hut | 0.733 | 17454 |
| canyon | 0.730 | 15613 |
| tomb | 0.726 | 13786 |
| catacombs | 0.724 | 65591 |
| lair | 0.723 | 37907 |
| outcropping | 0.723 | 80839 |
| lava | 0.721 | 17341 |
| tombs | 0.719 | 26605 |
| mountainside | 0.712 | 45585 |
| subterranean | 0.706 | 33296 |
| sarcophagus | 0.706 | 71674 |
| boulder | 0.698 | 25256 |
| gorge | 0.691 | 25137 |
| prehistoric | 0.689 | 22958 |
| ledge | 0.689 | 20622 |