| Similarity | Rank | |
|---|---|---|
| period_of | 0.794 | 4660 |
| during_a_period | 0.746 | 36650 |
| a_period | 0.717 | 19885 |
| long_period_of | 0.697 | 82414 |
| after_a_period | 0.690 | 34261 |
| this_period | 0.686 | 12824 |
| period_during | 0.640 | 88778 |
| period | 0.631 | 1069 |
| long_period | 0.613 | 90160 |
| period_of_time | 0.607 | 20386 |
| for_a_period | 0.591 | 8259 |
| twelve_month | 0.547 | 52168 |
| several_month | 0.539 | 42484 |
| period_before | 0.533 | 92090 |
| an_age_of | 0.531 | 96070 |
| nine_month | 0.527 | 28585 |
| six_month | 0.522 | 8428 |
| time_period | 0.522 | 11084 |
| an_era_of | 0.522 | 71764 |
| seven_year | 0.514 | 16195 |
| a_short_time | 0.514 | 77579 |
| over_a_period | 0.514 | 10371 |
| three_month | 0.510 | 11468 |
| one_month | 0.510 | 22016 |
| five_year | 0.510 | 6487 |