| Similarity | Rank | |
|---|---|---|
| grueling | 0.882 | 27099 |
| arduous | 0.730 | 21339 |
| slog | 0.721 | 46778 |
| marathon | 0.714 | 9276 |
| rigours | 0.706 | 87127 |
| exhausting | 0.705 | 17383 |
| torturous | 0.704 | 55520 |
| tiring | 0.694 | 20727 |
| marathons | 0.677 | 29950 |
| strenuous | 0.675 | 18805 |
| agonising | 0.673 | 80886 |
| enduro | 0.669 | 81859 |
| half-marathon | 0.654 | 74031 |
| six-day | 0.651 | 67991 |
| Mudder | 0.650 | 95841 |
| miler | 0.649 | 75587 |
| six-hour | 0.642 | 77725 |
| harrowing | 0.642 | 30793 |
| uphill | 0.636 | 16203 |
| Enduro | 0.636 | 52568 |
| exhilarating | 0.634 | 19055 |
| nail-biting | 0.627 | 83791 |
| 1500m | 0.626 | 77294 |
| sprints | 0.625 | 33673 |
| Ironman | 0.623 | 23876 |