| Similarity | Rank | |
|---|---|---|
| a_difficult | 0.748 | 12053 |
| tricky | 0.746 | 23559 |
| a_complicated | 0.605 | 52032 |
| difficult | 0.588 | 2515 |
| be_tricky | 0.572 | 48836 |
| be_a_tough | 0.572 | 36164 |
| can_be_tricky | 0.571 | 72729 |
| it_be_a_tough | 0.567 | 93393 |
| a_tough | 0.565 | 26323 |
| very_difficult | 0.563 | 34974 |
| an_awkward | 0.558 | 82144 |
| a_challenging | 0.554 | 34700 |
| a_tense | 0.552 | 94408 |
| perilous | 0.542 | 65016 |
| a_dangerous | 0.541 | 16521 |
| a_delicate | 0.538 | 53325 |
| a_straightforward | 0.530 | 42700 |
| daunting | 0.529 | 43508 |
| a_bit_of_a | 0.528 | 12046 |
| a_messy | 0.527 | 92668 |
| a_nasty | 0.526 | 69511 |
| frustrating | 0.525 | 15978 |
| complicated | 0.516 | 9149 |
| a_clever | 0.515 | 42859 |
| the_most_difficult | 0.514 | 35489 |