SimilarityRank
how_well 0.676 19385
the_effectiveness_of 0.664 9595
how 0.598 248
how_strong 0.595 97569
how_important 0.583 33193
how_long 0.582 19254
how_much 0.582 4117
the_efficacy_of 0.578 20536
their_effectiveness 0.576 65235
how_good 0.576 14415
to_what_extent 0.567 43395
its_effectiveness 0.566 59159
what_type_of 0.566 31125
what_effect 0.561 71369
exactly_how 0.559 30150
how_different 0.556 56831
how_far 0.555 24775
what_impact 0.553 69792
how_quickly 0.549 46415
what_kind_of 0.548 15512
effectiveness_of 0.548 32347
effectiveness 0.547 5254
what_sort_of 0.541 49505
how_it 0.539 3042
how_often 0.535 31654