| Similarity | Rank | |
|---|---|---|
| how_well | 0.676 | 19385 |
| the_effectiveness_of | 0.664 | 9595 |
| how | 0.598 | 248 |
| how_strong | 0.595 | 97569 |
| how_important | 0.583 | 33193 |
| how_long | 0.582 | 19254 |
| how_much | 0.582 | 4117 |
| the_efficacy_of | 0.578 | 20536 |
| their_effectiveness | 0.576 | 65235 |
| how_good | 0.576 | 14415 |
| to_what_extent | 0.567 | 43395 |
| its_effectiveness | 0.566 | 59159 |
| what_type_of | 0.566 | 31125 |
| what_effect | 0.561 | 71369 |
| exactly_how | 0.559 | 30150 |
| how_different | 0.556 | 56831 |
| how_far | 0.555 | 24775 |
| what_impact | 0.553 | 69792 |
| how_quickly | 0.549 | 46415 |
| what_kind_of | 0.548 | 15512 |
| effectiveness_of | 0.548 | 32347 |
| effectiveness | 0.547 | 5254 |
| what_sort_of | 0.541 | 49505 |
| how_it | 0.539 | 3042 |
| how_often | 0.535 | 31654 |