| Similarity | Rank | |
|---|---|---|
| post-war | 0.875 | 35716 |
| pre-war | 0.755 | 75637 |
| wartime | 0.754 | 34159 |
| after_World_War_II | 0.725 | 29885 |
| after_WWII | 0.710 | 99312 |
| of_the_1950 | 0.710 | 52245 |
| of_the_1930 | 0.695 | 48992 |
| World_War_II | 0.692 | 7847 |
| after_the_Second_World_War | 0.684 | 63856 |
| of_the_1920 | 0.682 | 73122 |
| and_1930 | 0.663 | 64056 |
| of_the_1960 | 0.661 | 28673 |
| 1950 | 0.656 | 23208 |
| the_Second_World_War | 0.652 | 23341 |
| 1930 | 0.645 | 40274 |
| twentieth-century | 0.644 | 81753 |
| and_1940 | 0.644 | 82992 |
| and_1960 | 0.642 | 37048 |
| of_the_1970 | 0.639 | 39017 |
| Cold_War | 0.637 | 34870 |
| 1960 | 0.637 | 27261 |
| '60s | 0.632 | 70225 |
| during_the_1950 | 0.630 | 60482 |
| in_World_War_II | 0.628 | 25454 |
| Soviet | 0.627 | 12034 |