SimilarityRank
forty_year_ago 0.827 84520
fifty_year_ago 0.779 58784
ten_year_ago 0.767 32649
twenty_year_ago 0.763 66247
a_decade_ago 0.752 23265
[number]_year_ago 0.717 3595
two_decade_ago 0.709 95707
five_year_ago 0.705 21349
decade_ago 0.700 32413
in_the_1970 0.695 8581
in_the_late_1970 0.688 36780
in_the_1980 0.679 8174
in_the_1960 0.678 9794
Ten_year_ago_, 0.671 77215
in_the_1950 0.668 10960
nearly_[number]_year_ago 0.668 48159
in_the_early_1970 0.665 30350
more_than_[number]_year_ago 0.665 24310
in_the_early_1980 0.658 25476
in_the_mid-1970 0.656 85270
almost_[number]_year_ago 0.654 51448
eight_year_ago 0.653 65575
many_year_ago 0.652 15620
in_the_early_1960 0.647 41720
just_a_few_year_ago 0.646 72113