| Similarity | Rank | |
|---|---|---|
| tough | 0.798 | 2077 |
| harder | 0.778 | 3079 |
| toughen | 0.740 | 62254 |
| stiffer | 0.725 | 36311 |
| trickier | 0.701 | 37796 |
| harsher | 0.698 | 36253 |
| toughest | 0.698 | 14273 |
| tighter | 0.681 | 13994 |
| stronger | 0.670 | 3189 |
| rougher | 0.663 | 41496 |
| nastier | 0.661 | 74984 |
| challenging | 0.649 | 2684 |
| stricter | 0.646 | 25048 |
| meaner | 0.645 | 74254 |
| better | 0.636 | 207 |
| toughened | 0.635 | 67809 |
| looser | 0.634 | 35781 |
| weaker | 0.624 | 11197 |
| dicey | 0.624 | 58201 |
| lenient | 0.624 | 35238 |
| heavier | 0.622 | 9451 |
| intimidating | 0.618 | 14895 |
| difficult | 0.618 | 660 |
| easier | 0.617 | 1178 |
| softer | 0.617 | 12810 |