SimilarityRank
over_a_decade_ago 0.760 94008
a_decade_ago 0.748 23265
several_year_ago 0.745 13891
nearly_[number]_year_ago 0.735 48159
in_the_late_1990 0.719 26724
more_than_[number]_year_ago 0.717 24310
three_year_ago 0.716 17729
in_the_early_1990 0.714 17920
almost_[number]_year_ago 0.714 51448
six_year_ago 0.711 44920
five_year_ago 0.708 21349
in_the_mid-1990 0.704 42919
two_year_ago 0.703 9948
two_decade_ago 0.702 95707
eight_year_ago 0.701 65575
decade_ago 0.691 32413
a_few_year_ago 0.691 7726
in_the_mid-1980 0.685 61405
in_the_early_1980 0.685 25476
four_year_ago 0.684 22498
in_the_late_1980 0.677 29771
in_the_1990 0.676 8453
seven_year_ago 0.675 57324
in_the_late_1970 0.673 36780
in_the_early_2000 0.666 43568