| Similarity | Rank | |
|---|---|---|
| issue_associate_with | 0.787 | 59758 |
| problem_cause_by | 0.768 | 59711 |
| problem_relate_to | 0.768 | 33222 |
| problem_with | 0.710 | 3733 |
| problem | 0.699 | 185 |
| challenge_associate_with | 0.686 | 61107 |
| major_problem | 0.660 | 34279 |
| issue_relate_to | 0.657 | 11960 |
| challenge_relate_to | 0.651 | 80453 |
| serious_problem | 0.641 | 48894 |
| issue_surround | 0.638 | 28254 |
| related_problem | 0.636 | 65450 |
| such_problem | 0.631 | 41208 |
| potential_problem | 0.630 | 49494 |
| these_problem | 0.625 | 12503 |
| issue_regard | 0.622 | 47179 |
| problem_face | 0.618 | 83674 |
| issue_such_as | 0.617 | 21073 |
| difficulty_with | 0.609 | 27066 |
| issue_around | 0.604 | 31128 |
| issue_concern | 0.599 | 41364 |
| issue_involve | 0.591 | 48438 |
| drawback_of | 0.589 | 47479 |
| practical_problem | 0.584 | 74534 |
| various_problem | 0.582 | 94278 |