| Similarity | Rank | |
|---|---|---|
| magmatic | 0.713 | 53644 |
| quaternary | 0.709 | 24538 |
| greywacke | 0.700 | 72592 |
| tectonised | 0.698 | 99784 |
| lewisian | 0.696 | 43492 |
| auriferous | 0.693 | 97978 |
| hydrology | 0.691 | 36871 |
| pb-zn | 0.688 | 90689 |
| biostratigraphy | 0.688 | 88293 |
| lithology | 0.687 | 36838 |
| metamorphism | 0.686 | 50754 |
| metasomatism | 0.685 | 76930 |
| nrs | 0.684 | 89308 |
| microfossil | 0.684 | 97558 |
| secondary | 0.684 | 2012 |
| metasedimentary | 0.683 | 73812 |
| periglacial | 0.683 | 45595 |
| holocene | 0.678 | 65548 |
| diagenesis | 0.678 | 39033 |
| planation | 0.676 | 52914 |
| bultfontein | 0.674 | 94769 |
| ultrabasic | 0.671 | 64157 |
| metalliferous | 0.671 | 61214 |
| geomorphology | 0.670 | 17581 |
| glaciate | 0.670 | 54958 |