SimilarityRank
tangled 0.609 69066
thorn 0.565 29449
contentious 0.546 32438
tricky 0.541 23559
intractable 0.530 81155
troublesome 0.517 27693
hairy 0.512 36701
a_delicate 0.507 53325
unresolved 0.507 42643
delicate 0.507 11430
daunting 0.503 43508
weighty 0.501 68187
difficult_issue 0.495 94041
difficult 0.494 2515
tough 0.492 4367
complicated 0.489 9149
rocky 0.489 28538
thicket 0.487 67817
perennial 0.486 18310
fleshy 0.484 84579
perilous 0.481 65016
nettle 0.480 65120
bramble 0.479 79302
the_most_difficult 0.473 35489
problematic 0.472 12300