| Similarity | Rank | |
|---|---|---|
| topographic | 0.739 | 35607 |
| stratigraphy | 0.737 | 25414 |
| isopach | 0.736 | 65010 |
| glaciate | 0.732 | 54958 |
| periglacial | 0.730 | 45595 |
| pedological | 0.728 | 97874 |
| geomorphological | 0.726 | 35722 |
| depositional | 0.722 | 36922 |
| topographically | 0.721 | 67280 |
| karst | 0.714 | 49187 |
| diagenetic | 0.713 | 29196 |
| erosional | 0.711 | 46437 |
| landform | 0.711 | 18111 |
| vegetational | 0.709 | 55490 |
| karoo | 0.708 | 69420 |
| mineralogical | 0.705 | 39410 |
| auriferous | 0.705 | 97978 |
| aeromagnetic | 0.703 | 56772 |
| cainozoic | 0.703 | 58574 |
| petrology | 0.703 | 42550 |
| refugium | 0.701 | 66085 |
| metamorphic | 0.701 | 30217 |
| deltaic | 0.701 | 64618 |
| biota | 0.699 | 66177 |
| lithology | 0.698 | 36838 |