| Similarity | Rank | |
|---|---|---|
| over_a_number_of_year | 0.787 | 82216 |
| over_many_year | 0.745 | 28027 |
| over_decade | 0.650 | 80601 |
| over_a_period | 0.647 | 10371 |
| over_a_long_period_of | 0.625 | 50448 |
| over_two_year | 0.621 | 46181 |
| over_three_year | 0.617 | 43144 |
| several_year | 0.604 | 27038 |
| over_five_year | 0.589 | 42151 |
| over_time | 0.587 | 2610 |
| a_[number]_year_period | 0.582 | 93382 |
| in_subsequent_year | 0.573 | 61121 |
| over_four_year | 0.573 | 60616 |
| over_the_last_three_year | 0.566 | 49072 |
| over_the_past_three_year | 0.557 | 35959 |
| over_[number]_month | 0.555 | 71184 |
| many_year | 0.553 | 14319 |
| for_several_year | 0.548 | 7303 |
| over_the_past_two_year | 0.545 | 26009 |
| over_the_past_four_year | 0.542 | 51520 |
| over_the_last_ten_year | 0.541 | 66116 |
| over_ten_year | 0.540 | 96726 |
| many_month | 0.533 | 82831 |
| over_the_last_two_year | 0.533 | 36120 |
| over_the_last_four_year | 0.525 | 72627 |