SimilarityRank
should_know 0.785 45157
need_to_know 0.701 26573
should_be_aware_of 0.582 80283
you_should_know 0.576 81953
need_to_understand 0.573 32697
do_not_know 0.572 10490
already_know 0.559 24061
need_to_learn 0.558 73994
be_familiar_with 0.557 13539
know_well 0.551 37321
need_to_know_about 0.548 93793
know 0.542 278
you_need_to_know 0.539 63013
be_well_aware_of 0.529 46297
know_what 0.523 6282
can_understand 0.518 39378
must 0.516 1286
do_not_understand 0.512 21094
be_ignorant_of 0.512 94536
clearly_understand 0.511 74430
be_aware_of 0.511 5658
they_know 0.510 10829
have_an_understanding_of 0.505 89127
really_know 0.504 90488
know_all_about 0.497 95666