| Similarity | Rank | |
|---|---|---|
| 50-year | 0.834 | 58615 |
| 20-year | 0.704 | 30927 |
| 40-year | 0.698 | 56085 |
| ten-year | 0.681 | 40162 |
| 100-year-old | 0.677 | 84612 |
| 25-year | 0.673 | 45146 |
| high-water | 0.663 | 98120 |
| historic | 0.662 | 3241 |
| 10-year | 0.653 | 18787 |
| century-old | 0.651 | 61931 |
| quarter-century | 0.622 | 79790 |
| centennial | 0.610 | 41904 |
| twenty-year | 0.609 | 97910 |
| Centennial | 0.609 | 23956 |
| 12-year | 0.609 | 53278 |
| Bicentennial | 0.602 | 63041 |
| 35-year | 0.601 | 88572 |
| bicentennial | 0.596 | 85534 |
| five-year | 0.593 | 14789 |
| area's | 0.589 | 17117 |
| landmark | 0.588 | 10223 |
| structure's | 0.586 | 96322 |
| watershed | 0.585 | 17165 |
| 30-year | 0.585 | 25837 |
| seven-year | 0.585 | 42332 |