| Similarity | Rank | |
|---|---|---|
| long_time | 0.807 | 15128 |
| many_year | 0.730 | 14319 |
| several_year | 0.688 | 27038 |
| for_a_long_time | 0.653 | 4563 |
| quite_a_while | 0.653 | 84783 |
| a_few_year | 0.635 | 29387 |
| a_couple_of_year | 0.634 | 92931 |
| many_month | 0.626 | 82831 |
| for_a_very_long_time | 0.615 | 28670 |
| a_long_while | 0.614 | 50673 |
| a_number_of_year | 0.613 | 77490 |
| so_long | 0.607 | 19077 |
| nearly_[number]_year | 0.602 | 59517 |
| thirty_year | 0.598 | 50296 |
| a_short_time | 0.596 | 77579 |
| for_long_time | 0.592 | 93234 |
| about_[number]_year | 0.588 | 29004 |
| fifty_year | 0.584 | 57685 |
| forty_year | 0.581 | 69982 |
| almost_[number]_year | 0.579 | 34884 |
| several_month | 0.579 | 42484 |
| for_quite_a | 0.579 | 30334 |
| more_than_[number]_year | 0.576 | 17335 |
| eight_year | 0.573 | 25711 |
| twenty_year | 0.571 | 36702 |