| Similarity | Rank | |
|---|---|---|
| two_decade_ago | 0.835 | 95707 |
| five_year_ago | 0.822 | 21349 |
| ten_year_ago | 0.800 | 32649 |
| three_year_ago | 0.756 | 17729 |
| thirty_year_ago | 0.752 | 57364 |
| four_year_ago | 0.748 | 22498 |
| more_than_a_decade_ago | 0.748 | 83759 |
| eight_year_ago | 0.747 | 65575 |
| six_year_ago | 0.744 | 44920 |
| twenty_year_ago | 0.742 | 66247 |
| two_year_ago | 0.736 | 9948 |
| seven_year_ago | 0.726 | 57324 |
| decade_ago | 0.726 | 32413 |
| in_the_mid-1990 | 0.714 | 42919 |
| just_a_few_year_ago | 0.712 | 72113 |
| over_a_decade_ago | 0.708 | 94008 |
| [number]_year_ago | 0.705 | 3595 |
| in_the_1990 | 0.704 | 8453 |
| in_the_early_1990 | 0.701 | 17920 |
| in_the_late_1990 | 0.700 | 26724 |
| a_decade_later | 0.691 | 64448 |
| a_year_ago | 0.689 | 8764 |
| a_few_year_ago | 0.688 | 7726 |
| in_the_early_2000 | 0.675 | 43568 |
| several_year_ago | 0.674 | 13891 |