| Similarity | Rank | |
|---|---|---|
| unanswered | 0.638 | 95838 |
| fundamental_question | 0.581 | 82438 |
| difficult_question | 0.579 | 79064 |
| many_question | 0.578 | 23525 |
| important_question | 0.560 | 48294 |
| question | 0.547 | 193 |
| unresolved | 0.530 | 42643 |
| such_question | 0.528 | 34376 |
| interesting_question | 0.519 | 95419 |
| question_about | 0.516 | 5498 |
| the_big_question | 0.515 | 48706 |
| critical_question | 0.513 | 87652 |
| doubt | 0.510 | 3852 |
| these_question | 0.503 | 9512 |
| question_raise_by | 0.502 | 92791 |
| key_question | 0.501 | 36417 |
| tough_question | 0.499 | 73831 |
| uncertainty_about | 0.499 | 51277 |
| raise_question | 0.494 | 57879 |
| enigma | 0.483 | 62561 |
| conundrum | 0.478 | 44007 |
| answer | 0.477 | 484 |
| those_question | 0.471 | 26434 |
| great_question | 0.469 | 50002 |
| hard_question | 0.469 | 80547 |