SimilarityRank
long_ago 0.786 11040
many_year_ago 0.740 15620
long_time_ago 0.734 96361
a_while_ago 0.717 31967
some_time_ago 0.708 26952
year_ago 0.696 6831
a_few_year_ago 0.651 7726
a_few_year_back 0.650 30838
some_year_ago 0.646 24729
a_couple_of_year_ago 0.634 23717
about_[number]_year_ago 0.628 22341
decade_ago 0.622 32413
some_[number]_year_ago 0.614 44893
all_those_year_ago 0.598 83917
several_year_ago 0.592 13891
twenty_year_ago 0.591 66247
once_upon_a_time 0.591 28031
[number]_year_ago 0.589 3595
more_than_[number]_year_ago 0.589 24310
almost_[number]_year_ago 0.586 51448
over_[number]_year_ago 0.584 22327
a_couple_year_ago 0.583 79713
a_couple_of_month_ago 0.583 63920
I_remember_when 0.581 93654
not_too_long_ago 0.581 56605