| Similarity | Rank | |
|---|---|---|
| 1860 | 0.883 | 11907 |
| 1880 | 0.854 | 9812 |
| 1850 | 0.842 | 13777 |
| 1890 | 0.825 | 10843 |
| 1830 | 0.824 | 13819 |
| 1900 | 0.818 | 20137 |
| 1780 | 0.809 | 22814 |
| nineteenth | 0.807 | 2686 |
| 1930 | 0.796 | 4100 |
| 1820 | 0.792 | 20795 |
| mid-nineteenth | 0.786 | 18774 |
| 1920 | 0.786 | 5459 |
| 1840 | 0.782 | 13067 |
| 1950 | 0.778 | 3691 |
| 1760 | 0.773 | 28511 |
| mid-19th | 0.773 | 44374 |
| 1800 | 0.772 | 33369 |
| 1960 | 0.754 | 2807 |
| eighteenth | 0.754 | 3641 |
| mid-eighteenth | 0.745 | 38335 |
| 1940 | 0.744 | 7398 |
| 1630 | 0.742 | 31363 |
| mid-seventeenth | 0.741 | 43482 |
| 1670 | 0.739 | 36935 |
| century | 0.735 | 502 |