SimilarityRank
a_decade_ago 0.835 23265
five_year_ago 0.753 21349
ten_year_ago 0.741 32649
twenty_year_ago 0.736 66247
in_the_1990 0.722 8453
[number]_year_ago 0.718 3595
decade_ago 0.715 32413
thirty_year_ago 0.709 57364
in_the_early_1990 0.705 17920
in_the_mid-1990 0.704 42919
more_than_a_decade_ago 0.702 83759
seven_year_ago 0.700 57324
over_a_decade_ago 0.694 94008
three_year_ago 0.690 17729
six_year_ago 0.689 44920
in_the_1980 0.689 8174
in_the_1970 0.686 8581
eight_year_ago 0.683 65575
in_the_mid-1980 0.676 61405
in_the_late_1980 0.674 29771
in_the_late_1990 0.672 26724
more_than_[number]_year_ago 0.671 24310
almost_[number]_year_ago 0.670 51448
in_the_early_1980 0.668 25476
in_the_late_1970 0.664 36780