| Similarity | Rank | |
|---|---|---|
| be_not_always_easy | 0.791 | 89460 |
| it_be_not_easy | 0.783 | 29647 |
| be_not_an_easy_task | 0.779 | 79512 |
| can_be_difficult | 0.751 | 30674 |
| be_very_difficult | 0.747 | 37607 |
| be_extremely_difficult | 0.728 | 97037 |
| it_be_not_easy_to | 0.707 | 49178 |
| can_be_hard | 0.707 | 97851 |
| difficult | 0.695 | 2515 |
| not_easy | 0.674 | 65092 |
| can_be_challenging | 0.671 | 59256 |
| it_be_very_difficult_to | 0.650 | 29790 |
| be_very_hard | 0.649 | 91214 |
| be_tricky | 0.648 | 48836 |
| be_tough | 0.642 | 11759 |
| be_not_difficult | 0.640 | 90795 |
| very_difficult | 0.622 | 34974 |
| it_be_difficult | 0.621 | 31149 |
| it_be_very_hard_to | 0.617 | 86037 |
| can_be_tricky | 0.613 | 72729 |
| a_difficult | 0.607 | 12053 |
| it_take_a_lot_of | 0.607 | 41631 |
| it_be_tough | 0.606 | 29779 |
| be_hard_to | 0.606 | 23656 |
| be_complicate | 0.602 | 31245 |