| Similarity | Rank | |
|---|---|---|
| 1950 | 0.890 | 23208 |
| 1970 | 0.888 | 27604 |
| 1980 | 0.855 | 35792 |
| 70 | 0.834 | 20135 |
| 1930 | 0.822 | 40274 |
| 1940 | 0.806 | 55737 |
| of_the_1950 | 0.806 | 52245 |
| '70s | 0.803 | 54906 |
| the_1960 | 0.801 | 24570 |
| 60 | 0.801 | 23621 |
| 1990 | 0.798 | 44046 |
| '60s | 0.797 | 70225 |
| the_60 | 0.796 | 17446 |
| the_'60s | 0.792 | 46416 |
| the_1950 | 0.786 | 32477 |
| 50 | 0.776 | 17439 |
| the_70 | 0.771 | 15618 |
| in_the_1960 | 0.771 | 9794 |
| of_the_1960 | 0.769 | 28673 |
| 1920 | 0.769 | 47729 |
| the_1970 | 0.767 | 25452 |
| from_the_1960 | 0.767 | 94457 |
| in_the_1950 | 0.764 | 10960 |
| from_the_1950 | 0.764 | 96102 |
| 80 | 0.759 | 20722 |