| Similarity | Rank | |
|---|---|---|
| salinity | 0.768 | 22106 |
| ground-water | 0.753 | 71264 |
| ice-free | 0.735 | 54576 |
| subtropics | 0.732 | 64359 |
| subpolar | 0.732 | 46198 |
| sea-level | 0.729 | 21186 |
| wetter | 0.726 | 45620 |
| snowfall | 0.722 | 31111 |
| temperate | 0.720 | 10404 |
| water-table | 0.717 | 53105 |
| waterlogging | 0.717 | 41903 |
| savanna | 0.716 | 30049 |
| humid | 0.715 | 15725 |
| humidity | 0.715 | 12452 |
| precipitation | 0.711 | 14805 |
| subtropical | 0.710 | 37677 |
| permafrost | 0.710 | 45630 |
| snowmelt | 0.708 | 93451 |
| ahumic | 0.707 | 71343 |
| semi-arid | 0.704 | 35929 |
| interglacial | 0.701 | 34937 |
| acidity | 0.701 | 12991 |
| high-latitude | 0.700 | 67674 |
| post-glacial | 0.699 | 38769 |
| gley | 0.698 | 47807 |