| Similarity | Rank | |
|---|---|---|
| the_big_challenge | 0.842 | 19695 |
| great_challenge | 0.789 | 59535 |
| the_major_challenge | 0.769 | 66525 |
| big_challenge | 0.755 | 46944 |
| major_challenge | 0.689 | 94021 |
| many_challenge | 0.686 | 34197 |
| the_main_challenge | 0.684 | 52376 |
| the_key_challenge | 0.670 | 74955 |
| the_most_challenging | 0.614 | 54484 |
| challenge | 0.612 | 222 |
| another_challenge | 0.612 | 48760 |
| the_big_problem | 0.601 | 25566 |
| that_we_face | 0.589 | 59337 |
| we_face | 0.587 | 17796 |
| the_hard_thing | 0.579 | 86990 |
| face_many_challenge | 0.572 | 78198 |
| the_most_difficult | 0.569 | 35489 |
| environmental_challenge | 0.553 | 68452 |
| the_most_important_issue | 0.552 | 75837 |
| face_today | 0.549 | 76202 |
| challenge_face | 0.548 | 32972 |
| current_challenge | 0.545 | 50315 |
| be_the_most_difficult | 0.542 | 91080 |
| challenge_we_face | 0.540 | 47011 |
| more_challenging | 0.540 | 31394 |