| Similarity | Rank | |
|---|---|---|
| c_._[number] | 0.691 | 13653 |
| 1950 | 0.640 | 23208 |
| 1920 | 0.633 | 47729 |
| 1930 | 0.627 | 40274 |
| 1940 | 0.608 | 55737 |
| 1970 | 0.598 | 27604 |
| circa | 0.597 | 85046 |
| (_c_._[number]_) | 0.591 | 55014 |
| 1960 | 0.590 | 27261 |
| early_[number]_century | 0.582 | 23404 |
| late_[number]_century | 0.581 | 81307 |
| in_the_1920 | 0.578 | 18295 |
| the_1940 | 0.575 | 73356 |
| the_early_[number]_century | 0.572 | 13259 |
| in_the_1940 | 0.570 | 24811 |
| the_1920 | 0.566 | 50431 |
| from_the_1950 | 0.564 | 96102 |
| in_the_1890 | 0.563 | 62623 |
| the_early_[number]_th_century | 0.561 | 99943 |
| in_the_early_1900 | 0.556 | 43562 |
| in_the_1880 | 0.556 | 60683 |
| in_the_early_1950 | 0.554 | 63293 |
| in_the_1950 | 0.551 | 10960 |
| nineteenth_century | 0.543 | 46840 |
| in_the_1840 | 0.543 | 91506 |