SimilarityRank
over_[number]_year_ago 0.831 22327
some_[number]_year_ago 0.827 44893
more_than_[number]_year_ago 0.823 24310
almost_[number]_year_ago 0.812 51448
nearly_[number]_year_ago 0.805 48159
twenty_year_ago 0.779 66247
ten_year_ago 0.774 32649
about_[number]_year_ago 0.766 22341
[number]_year_earlier 0.766 77234
five_year_ago 0.756 21349
eight_year_ago 0.727 65575
six_year_ago 0.727 44920
seven_year_ago 0.723 57324
two_decade_ago 0.718 95707
thirty_year_ago 0.717 57364
a_decade_ago 0.705 23265
three_year_ago 0.702 17729
many_year_ago 0.700 15620
year_ago 0.697 6831
around_[number]_year_ago 0.696 99750
[number]_year_later 0.696 15406
four_year_ago 0.686 22498
decade_ago 0.684 32413
over_a_decade_ago 0.681 94008
fifty_year_ago 0.678 58784