SimilarityRank
find_out_why 0.733 48555
learn_how 0.696 10206
why 0.634 350
discuss_why 0.631 71266
understand_why 0.619 29700
explain_why 0.615 9475
discover_how 0.614 28843
see_why 0.600 44071
learn_what 0.582 19973
to_learn_how 0.579 31713
to_understand_why 0.575 73158
learn_more_about_how 0.567 70312
find_out_how 0.558 20324
learn_about_how 0.552 57098
know_why 0.547 57478
show_why 0.531 49065
the_reason_why 0.527 7718
why_they 0.525 26763
why_we 0.523 28566
why_it_be 0.519 7852
to_learn_what 0.508 58395
learn_about 0.501 2119
hear_how 0.501 56484
understand_how 0.493 10793
discover_what 0.493 42056