SimilarityRank
some_year_ago 0.824 24729
a_few_year_ago 0.808 7726
several_year_ago 0.804 13891
over_[number]_year_ago 0.763 22327
a_few_year_back 0.754 30838
year_ago 0.753 6831
a_couple_of_year_ago 0.750 23717
almost_[number]_year_ago 0.741 51448
a_long_time_ago 0.740 22554
more_than_[number]_year_ago 0.730 24310
some_[number]_year_ago 0.729 44893
about_[number]_year_ago 0.723 22341
nearly_[number]_year_ago 0.716 48159
[number]_year_ago 0.700 3595
decade_ago 0.697 32413
a_couple_year_ago 0.690 79713
some_time_ago 0.685 26952
over_a_decade_ago 0.678 94008
many_year_later 0.678 60551
eight_year_ago 0.676 65575
long_ago 0.675 11040
ten_year_ago 0.673 32649
twenty_year_ago 0.671 66247
all_those_year_ago 0.668 83917
three_year_ago 0.667 17729