| Similarity | Rank | |
|---|---|---|
| prolonged | 0.737 | 16293 |
| a_prolonged | 0.699 | 83035 |
| lengthy | 0.646 | 16234 |
| arduous | 0.615 | 48005 |
| agonize | 0.606 | 70811 |
| tumultuous | 0.588 | 76471 |
| a_lengthy | 0.585 | 38463 |
| contentious | 0.568 | 32438 |
| painful | 0.563 | 7134 |
| long_period_of | 0.547 | 82414 |
| futile | 0.547 | 58328 |
| intractable | 0.546 | 81155 |
| debilitating | 0.538 | 54825 |
| ensue | 0.538 | 11774 |
| intense | 0.535 | 5752 |
| laborious | 0.534 | 65252 |
| repeated | 0.533 | 15141 |
| incessant | 0.532 | 56885 |
| unending | 0.532 | 66822 |
| complicated | 0.532 | 9149 |
| ongoing | 0.532 | 2642 |
| unrelenting | 0.531 | 50468 |
| fruitless | 0.530 | 90798 |
| costly | 0.528 | 6908 |
| recurrent | 0.525 | 26425 |