| Similarity | Rank | |
|---|---|---|
| over_[number]_year | 0.730 | 6723 |
| over_five_year | 0.711 | 42151 |
| over_three_year | 0.674 | 43144 |
| over_two_year | 0.664 | 46181 |
| eight_year | 0.656 | 25711 |
| ten_year | 0.655 | 11316 |
| over_a_decade | 0.655 | 13066 |
| over_four_year | 0.654 | 60616 |
| a_decade | 0.632 | 16201 |
| six_year | 0.625 | 17248 |
| seven_year | 0.622 | 16195 |
| a_[number]_year_period | 0.617 | 93382 |
| almost_[number]_year | 0.615 | 34884 |
| more_than_[number]_year | 0.612 | 17335 |
| five_year | 0.609 | 6487 |
| more_than_a_decade | 0.604 | 41985 |
| 7_year | 0.604 | 23538 |
| [number]_year | 0.603 | 871 |
| twenty_year | 0.602 | 36702 |
| several_year | 0.602 | 27038 |
| 8_year | 0.596 | 30563 |
| about_[number]_year | 0.596 | 29004 |
| nine_year | 0.593 | 43608 |
| 5_year | 0.593 | 8380 |
| nearly_[number]_year | 0.592 | 59517 |