SimilarityRank
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