| Similarity | Rank | |
|---|---|---|
| 19th-century | 0.920 | 39002 |
| 18th-century | 0.850 | 58149 |
| nineteenth-century | 0.827 | 41863 |
| 20th-century | 0.812 | 53488 |
| century-old | 0.808 | 61931 |
| mid-century | 0.807 | 49025 |
| 1890's | 0.795 | 74390 |
| 1920's | 0.793 | 30219 |
| 1920s | 0.790 | 14792 |
| antebellum | 0.790 | 71631 |
| eighteenth-century | 0.781 | 67905 |
| 17th-century | 0.779 | 73168 |
| 1890s | 0.778 | 37499 |
| mid-19th | 0.777 | 69151 |
| old-world | 0.774 | 65569 |
| 1880s | 0.771 | 36300 |
| mid-20th | 0.770 | 75724 |
| 1850's | 0.769 | 79840 |
| 1880's | 0.769 | 69401 |
| '20s | 0.768 | 93475 |
| '30s | 0.766 | 67801 |
| 1850s | 0.765 | 43991 |
| 1860's | 0.764 | 85226 |
| 1870s | 0.759 | 43942 |
| mid-1800s | 0.757 | 87244 |