| Similarity | Rank | |
|---|---|---|
| 1860 | 0.875 | 11907 |
| 1830 | 0.861 | 13819 |
| 1870 | 0.854 | 11182 |
| 1890 | 0.827 | 10843 |
| 1780 | 0.827 | 22814 |
| 1900 | 0.822 | 20137 |
| 1850 | 0.822 | 13777 |
| 1840 | 0.815 | 13067 |
| 1920 | 0.797 | 5459 |
| mid-nineteenth | 0.793 | 18774 |
| 1930 | 0.793 | 4100 |
| 1800 | 0.781 | 33369 |
| 1820 | 0.780 | 20795 |
| nineteenth | 0.778 | 2686 |
| 1760 | 0.767 | 28511 |
| 1690 | 0.762 | 33655 |
| 1950 | 0.761 | 3691 |
| 1960 | 0.750 | 2807 |
| mid-eighteenth | 0.742 | 38335 |
| 1940 | 0.737 | 7398 |
| mid-1960s | 0.736 | 19473 |
| mid-1960 | 0.735 | 49947 |
| 1790 | 0.733 | 23722 |
| 1630 | 0.729 | 31363 |
| 1670 | 0.724 | 36935 |