| Similarity | Rank | |
|---|---|---|
| Aging | 0.772 | 24946 |
| the_age_process | 0.769 | 47583 |
| age | 0.667 | 561 |
| old_age | 0.641 | 17125 |
| grow_old | 0.604 | 34020 |
| old_adult | 0.598 | 13704 |
| age_population | 0.592 | 38966 |
| as_they_age | 0.582 | 76423 |
| Ageing | 0.573 | 44143 |
| aged | 0.568 | 78926 |
| get_old | 0.564 | 29034 |
| Alzheimer_disease | 0.552 | 14889 |
| Alzheimer | 0.551 | 16371 |
| chronic_illness | 0.549 | 45018 |
| an_age | 0.542 | 25522 |
| gerontology | 0.541 | 96814 |
| dementia | 0.540 | 10928 |
| population_age | 0.536 | 94653 |
| in_old_age | 0.531 | 62324 |
| lifespan | 0.517 | 26422 |
| chronic_disease | 0.513 | 17730 |
| memory_loss | 0.512 | 56239 |
| longevity | 0.512 | 13690 |
| elderly | 0.512 | 9573 |
| for_old_adult | 0.510 | 80138 |