| Similarity | Rank | |
|---|---|---|
| survival | 0.766 | 4163 |
| their_survival | 0.741 | 68798 |
| for_survival | 0.613 | 27891 |
| the_viability_of | 0.605 | 32346 |
| the_fate_of | 0.574 | 11472 |
| the_preservation_of | 0.572 | 12950 |
| longevity_of | 0.550 | 40487 |
| viability | 0.544 | 24164 |
| the_very_existence_of | 0.544 | 92538 |
| survival_rate | 0.543 | 58620 |
| to_survive | 0.540 | 7007 |
| survive | 0.515 | 2191 |
| extinction_of | 0.513 | 37964 |
| Survival | 0.513 | 26251 |
| vitality_of | 0.513 | 31173 |
| the_well_being_of | 0.512 | 47162 |
| wellbeing_of | 0.509 | 29229 |
| will_survive | 0.508 | 40673 |
| preservation_of | 0.508 | 17124 |
| the_well-being_of | 0.507 | 13133 |
| struggle_to_survive | 0.501 | 60625 |
| protection_of | 0.498 | 8406 |
| can_survive | 0.491 | 51091 |
| extinction | 0.490 | 12959 |
| welfare_of | 0.484 | 36278 |