| Similarity | Rank | |
|---|---|---|
| sixties | 0.940 | 21797 |
| seventies | 0.929 | 24080 |
| 50s | 0.924 | 19387 |
| forties | 0.922 | 33492 |
| thirties | 0.908 | 26916 |
| 60s | 0.896 | 15489 |
| eighties | 0.892 | 24958 |
| 50's | 0.886 | 21227 |
| twenties | 0.883 | 19497 |
| 40s | 0.877 | 23540 |
| 70s | 0.872 | 14122 |
| Fifties | 0.872 | 73233 |
| 40's | 0.866 | 29340 |
| 60's | 0.861 | 17173 |
| 30s | 0.854 | 21734 |
| '40s | 0.853 | 67219 |
| Seventies | 0.851 | 58121 |
| '50s | 0.848 | 40055 |
| 30's | 0.845 | 28725 |
| mid-twenties | 0.844 | 82058 |
| 70's | 0.843 | 14816 |
| 1950's | 0.839 | 20985 |
| 1950s | 0.834 | 9648 |
| nineties | 0.833 | 28357 |
| 80s | 0.831 | 12461 |