| Similarity | Rank | |
|---|---|---|
| prolonged | 0.743 | 16293 |
| protracted | 0.699 | 54435 |
| a_lengthy | 0.640 | 38463 |
| a_sustained | 0.607 | 62740 |
| an_extended | 0.605 | 23071 |
| long_period_of | 0.599 | 82414 |
| a_long | 0.594 | 4136 |
| a_very_long | 0.586 | 63377 |
| an_intense | 0.576 | 26112 |
| a_severe | 0.574 | 39010 |
| a_sudden | 0.574 | 33070 |
| lengthy | 0.563 | 16234 |
| a_gradual | 0.546 | 70570 |
| ensue | 0.542 | 11774 |
| a_continuing | 0.540 | 92282 |
| sustained | 0.538 | 17204 |
| repeated | 0.529 | 15141 |
| an_endless | 0.523 | 64958 |
| a_rapid | 0.522 | 32301 |
| a_brief | 0.522 | 14095 |
| a_disastrous | 0.519 | 96466 |
| agonize | 0.519 | 70811 |
| a_serious | 0.519 | 10950 |
| a_dramatic | 0.519 | 29202 |
| a_bloody | 0.516 | 64890 |