| Similarity | Rank | |
|---|---|---|
| during_this_time | 0.818 | 6215 |
| in_this_period | 0.796 | 25799 |
| during_this_time_period | 0.715 | 99748 |
| over_this_period | 0.656 | 75742 |
| this_period | 0.653 | 12824 |
| during_the_same_period | 0.630 | 36072 |
| the_period_when | 0.588 | 71778 |
| during_a_period | 0.584 | 36650 |
| in_the_period_between | 0.582 | 97021 |
| during_the_first_half_of | 0.564 | 47085 |
| during_the_second_half_of | 0.562 | 65663 |
| period | 0.561 | 1069 |
| between_[number]_and | 0.552 | 1736 |
| during_this_phase | 0.552 | 85159 |
| in_the_same_period | 0.550 | 39899 |
| those_year | 0.546 | 17928 |
| in_the_first_decade | 0.541 | 92197 |
| period_of | 0.539 | 4660 |
| during_the_1920 | 0.539 | 91310 |
| during_the_1970 | 0.535 | 52381 |
| period_from | 0.533 | 19188 |
| from_[number]_onwards | 0.532 | 27337 |
| during_the_1960 | 0.527 | 57493 |
| during_period_of | 0.525 | 43674 |
| in_subsequent_year | 0.523 | 61121 |