| Similarity | Rank | |
|---|---|---|
| 1830s | 0.976 | 54180 |
| 1840s | 0.962 | 51890 |
| 1850s | 0.953 | 43991 |
| 1870s | 0.948 | 43942 |
| 1860s | 0.946 | 44310 |
| 1880s | 0.939 | 36300 |
| mid-19th | 0.932 | 69151 |
| 1890s | 0.920 | 37499 |
| mid-nineteenth | 0.919 | 88557 |
| 1800s | 0.919 | 21705 |
| mid-1800s | 0.916 | 87244 |
| 1850's | 0.915 | 79840 |
| 1870's | 0.907 | 85011 |
| 1860's | 0.903 | 85226 |
| 1700s | 0.903 | 45260 |
| 1890's | 0.894 | 74390 |
| 1880's | 0.890 | 69401 |
| 1800's | 0.887 | 30737 |
| 1900s | 0.883 | 28575 |
| nineteenth | 0.881 | 15827 |
| 1700's | 0.867 | 66672 |
| 1900's | 0.859 | 40795 |
| 1600s | 0.854 | 57908 |
| 1840 | 0.852 | 30631 |
| 1920s | 0.846 | 14792 |