SimilarityRank
a_few_year_ago 0.875 7726
several_year_ago 0.838 13891
a_couple_of_year_ago 0.832 23717
many_year_ago 0.824 15620
a_few_year_back 0.806 30838
some_time_ago 0.772 26952
a_few_month_ago 0.731 16513
a_couple_year_ago 0.711 79713
about_two_year_ago 0.709 97758
not_long_ago 0.699 35942
two_year_ago 0.693 9948
several_month_ago 0.687 53413
a_couple_of_month_ago 0.685 63920
Two_year_ago 0.684 63846
recently 0.682 752
a_few_week_ago 0.681 12382
a_while_ago 0.678 31967
three_year_ago 0.671 17729
in_the_early_1980 0.671 25476
eight_year_ago 0.669 65575
a_couple_of_week_ago 0.667 32160
year_ago 0.667 6831
about_[number]_year_ago 0.664 22341
about_a_year_ago 0.662 36600
in_the_early_1990 0.658 17920