SimilarityRank
technical_issue 0.661 29163
technical_problem 0.642 42808
challenge_associate_with 0.623 61107
technical_difficulty 0.600 75923
technical_aspect 0.594 73293
challenge 0.579 222
challenge_relate_to 0.577 80453
hurdle 0.571 14338
these_challenge 0.571 16957
practical_problem 0.564 74534
major_challenge 0.559 94021
specific_challenge 0.555 92340
technical_aspect_of 0.555 89403
technical_requirement 0.550 50790
many_challenge 0.549 34197
both_technical_and 0.548 99859
the_technical_aspect_of 0.543 63114
technical_solution 0.542 42420
difficulty 0.539 2326
the_main_challenge 0.535 52376
the_major_challenge 0.533 66525
big_challenge 0.530 46944
practical_issue 0.529 89751
technical 0.528 2337
new_challenge 0.525 18398