| Similarity | Rank | |
|---|---|---|
| pre-war | 0.920 | 49768 |
| postwar | 0.866 | 32657 |
| post-war | 0.816 | 26889 |
| wartime | 0.774 | 22754 |
| post-World | 0.759 | 71516 |
| war-time | 0.756 | 99605 |
| 1930s | 0.748 | 11976 |
| WWII | 0.736 | 14497 |
| 1920s | 0.723 | 14792 |
| 1930's | 0.719 | 26347 |
| '30s | 0.707 | 67801 |
| mid-1950s | 0.707 | 83299 |
| 1950s | 0.704 | 9648 |
| 1940s | 0.701 | 16777 |
| Soviet | 0.696 | 5862 |
| mid-20th | 0.690 | 75724 |
| WWI | 0.689 | 36445 |
| turn-of-the-century | 0.686 | 74289 |
| 1960s | 0.681 | 7911 |
| 1920's | 0.679 | 30219 |
| 1945 | 0.677 | 11219 |
| mid-1960s | 0.675 | 63672 |
| 1940's | 0.674 | 33633 |
| '40s | 0.669 | 67219 |
| 1940 | 0.668 | 13374 |