SimilarityRank
forty_year_ago 0.782 84520
thirty_year_ago 0.779 57364
twenty_year_ago 0.687 66247
[number]_year_ago 0.678 3595
a_century_ago 0.654 46539
ten_year_ago 0.631 32649
Ten_year_ago_, 0.611 77215
decade_ago 0.603 32413
[number]_year_since 0.599 40318
almost_[number]_year_ago 0.597 51448
in_the_1960 0.596 9794
[number]_year_later 0.593 15406
nearly_[number]_year_ago 0.591 48159
more_than_[number]_year_ago 0.590 24310
in_the_1950 0.588 10960
in_the_early_1960 0.582 41720
a_decade_ago 0.572 23265
in_the_last_century 0.572 65606
a_decade_later 0.570 64448
some_[number]_year_ago 0.570 44893
[number]_year_earlier 0.569 77234
back_then 0.563 8288
two_decade_ago 0.561 95707
over_[number]_year_ago 0.555 22327
in_the_early_1900 0.554 43562