| Similarity | Rank | |
|---|---|---|
| postwar | 0.903 | 32657 |
| post-war | 0.884 | 26889 |
| pre-war | 0.769 | 49768 |
| mid-20th | 0.764 | 75724 |
| prewar | 0.759 | 81543 |
| 1930s | 0.755 | 11976 |
| WWII | 0.743 | 14497 |
| twentieth-century | 0.738 | 52611 |
| WWI | 0.733 | 36445 |
| 1960s | 0.731 | 7911 |
| '30s | 0.731 | 67801 |
| 20th-century | 0.731 | 53488 |
| twentieth | 0.728 | 14125 |
| War | 0.727 | 1704 |
| 1920s | 0.726 | 14792 |
| mid-nineteenth | 0.723 | 88557 |
| post-Soviet | 0.721 | 74750 |
| Spanish-American | 0.720 | 85123 |
| 1950s | 0.719 | 9648 |
| war-time | 0.716 | 99605 |
| 1940s | 0.716 | 16777 |
| era's | 0.715 | 81740 |
| wartime | 0.714 | 22754 |
| 1930's | 0.711 | 26347 |
| mid-19th | 0.708 | 69151 |