| Similarity | Rank | |
|---|---|---|
| decades-long | 0.807 | 62316 |
| century-old | 0.759 | 61931 |
| decade-long | 0.728 | 60294 |
| long-held | 0.713 | 52999 |
| longstanding | 0.687 | 22011 |
| long-standing | 0.682 | 16382 |
| centuries-old | 0.672 | 49186 |
| long-forgotten | 0.656 | 89476 |
| long-ago | 0.648 | 83155 |
| long-overdue | 0.646 | 87848 |
| well-publicized | 0.645 | 84846 |
| 100-year-old | 0.636 | 84612 |
| long-running | 0.636 | 33765 |
| multibillion-dollar | 0.630 | 83406 |
| quarter-century | 0.628 | 79790 |
| administration's | 0.624 | 19717 |
| antiquated | 0.621 | 31647 |
| stemming | 0.600 | 22867 |
| government's | 0.598 | 6813 |
| mid-1980s | 0.597 | 43287 |
| mid-1990s | 0.596 | 35693 |
| 1970s | 0.596 | 7314 |
| dismantling | 0.595 | 28934 |
| age-old | 0.594 | 27623 |
| outmoded | 0.593 | 53253 |