| Similarity | Rank | |
|---|---|---|
| 1860s | 0.982 | 44310 |
| 1870s | 0.978 | 43942 |
| 1840s | 0.974 | 51890 |
| 1850's | 0.967 | 79840 |
| 1880s | 0.965 | 36300 |
| 1830s | 0.964 | 54180 |
| 1890s | 0.957 | 37499 |
| 1870's | 0.956 | 85011 |
| 1860's | 0.955 | 85226 |
| 1820s | 0.953 | 73165 |
| 1890's | 0.948 | 74390 |
| 1880's | 0.943 | 69401 |
| mid-1800s | 0.939 | 87244 |
| 1800s | 0.938 | 21705 |
| mid-19th | 0.922 | 69151 |
| 1800's | 0.918 | 30737 |
| 1900s | 0.915 | 28575 |
| mid-nineteenth | 0.914 | 88557 |
| 1900's | 0.901 | 40795 |
| 1700s | 0.884 | 45260 |
| 1920s | 0.873 | 14792 |
| 1700's | 0.856 | 66672 |
| 1920's | 0.851 | 30219 |
| 1870 | 0.850 | 23979 |
| nineteenth | 0.848 | 15827 |