SimilarityRank
over_a_long_period_of 0.679 50448
for_a_period 0.668 8259
over_several_year 0.647 61781
over_a_number_of_year 0.597 82216
a_[number]_year_period 0.589 93382
over_[number]_month 0.584 71184
over_two_year 0.580 46181
within_a_period 0.574 78704
over_time 0.572 2610
span_of 0.566 16198
over_three_year 0.557 43144
several_year 0.552 27038
during_a_period 0.546 36650
over_many_year 0.544 28027
over_decade 0.540 80601
several_month 0.529 42484
several_week 0.522 49332
a_few_month 0.514 33709
a_period_of 0.514 8962
six_month 0.513 8428
over_five_year 0.512 42151
five_month 0.509 39352
time_span 0.505 97197
many_month 0.505 82831
four_month 0.501 22937