| Similarity | Rank | |
|---|---|---|
| technical_issue | 0.661 | 29163 |
| technical_problem | 0.642 | 42808 |
| challenge_associate_with | 0.623 | 61107 |
| technical_difficulty | 0.600 | 75923 |
| technical_aspect | 0.594 | 73293 |
| challenge | 0.579 | 222 |
| challenge_relate_to | 0.577 | 80453 |
| hurdle | 0.571 | 14338 |
| these_challenge | 0.571 | 16957 |
| practical_problem | 0.564 | 74534 |
| major_challenge | 0.559 | 94021 |
| specific_challenge | 0.555 | 92340 |
| technical_aspect_of | 0.555 | 89403 |
| technical_requirement | 0.550 | 50790 |
| many_challenge | 0.549 | 34197 |
| both_technical_and | 0.548 | 99859 |
| the_technical_aspect_of | 0.543 | 63114 |
| technical_solution | 0.542 | 42420 |
| difficulty | 0.539 | 2326 |
| the_main_challenge | 0.535 | 52376 |
| the_major_challenge | 0.533 | 66525 |
| big_challenge | 0.530 | 46944 |
| practical_issue | 0.529 | 89751 |
| technical | 0.528 | 2337 |
| new_challenge | 0.525 | 18398 |