| Similarity | Rank | |
|---|---|---|
| toughest | 0.807 | 14273 |
| rough | 0.716 | 4193 |
| hardest | 0.705 | 8314 |
| rougher | 0.700 | 41496 |
| unforgiving | 0.687 | 34250 |
| meanest | 0.677 | 67836 |
| nastiest | 0.674 | 62933 |
| driest | 0.671 | 57771 |
| treacherous | 0.667 | 24699 |
| tough | 0.662 | 2077 |
| harshest | 0.656 | 43817 |
| wettest | 0.656 | 65038 |
| rugged | 0.653 | 11086 |
| smoothest | 0.652 | 57137 |
| rutted | 0.648 | 83670 |
| perilous | 0.640 | 28206 |
| bumpy | 0.639 | 24598 |
| grueling | 0.636 | 27099 |
| heaviest | 0.626 | 26010 |
| tightest | 0.624 | 54588 |
| inhospitable | 0.617 | 49847 |
| dirtiest | 0.616 | 56279 |
| gnarly | 0.611 | 60762 |
| thickest | 0.610 | 51966 |
| weathers | 0.605 | 65791 |