| Similarity | Rank | |
|---|---|---|
| the_most_difficult | 0.760 | 35489 |
| the_most_challenging | 0.713 | 54484 |
| be_very_difficult | 0.658 | 37607 |
| difficult | 0.643 | 2515 |
| a_difficult | 0.628 | 12053 |
| be_extremely_difficult | 0.608 | 97037 |
| the_hard_part_of | 0.607 | 73040 |
| more_difficult | 0.589 | 14322 |
| very_difficult | 0.588 | 34974 |
| extremely_difficult | 0.585 | 93625 |
| the_most_rewarding | 0.583 | 96855 |
| be_a_tough | 0.581 | 36164 |
| the_big_challenge | 0.580 | 19695 |
| the_hard_thing | 0.565 | 86990 |
| be_very_hard | 0.563 | 91214 |
| be_probably_one_of | 0.558 | 50295 |
| be_by_far | 0.558 | 18613 |
| be_tough | 0.558 | 11759 |
| be_tricky | 0.556 | 48836 |
| the_hard_part | 0.554 | 66943 |
| it_be_very_difficult | 0.544 | 71675 |
| the_great_challenge | 0.542 | 32862 |
| probably_one_of | 0.540 | 72637 |
| be_not_easy | 0.536 | 17254 |
| the_most_complex | 0.536 | 51425 |