| Similarity | Rank | |
|---|---|---|
| era | 0.809 | 3232 |
| 1920s | 0.809 | 14792 |
| 1960s | 0.808 | 7911 |
| 1950s | 0.807 | 9648 |
| '40s | 0.803 | 67219 |
| '30s | 0.801 | 67801 |
| 1940s | 0.797 | 16777 |
| '50s | 0.794 | 40055 |
| eighties | 0.792 | 24958 |
| '60s | 0.792 | 25607 |
| 1920's | 0.792 | 30219 |
| 1970's | 0.791 | 18387 |
| '70s | 0.791 | 23330 |
| 1960's | 0.789 | 19445 |
| 1970s | 0.785 | 7314 |
| '80s | 0.784 | 22319 |
| 1930s | 0.784 | 11976 |
| '90s | 0.783 | 25014 |
| 1950's | 0.782 | 20985 |
| '20s | 0.781 | 93475 |
| seventies | 0.779 | 24080 |
| mid-1960s | 0.777 | 63672 |
| 70s | 0.776 | 14122 |
| 1900s | 0.776 | 28575 |
| sixties | 0.774 | 21797 |