SimilarityRank
serious_problem 0.640 48894
be_an_issue 0.640 15199
be_a_major_cause_of 0.631 88621
be_widespread 0.625 22113
be_rampant 0.618 63446
major_problem 0.595 34279
be_very_common 0.588 55501
be_prevalent 0.587 54819
the_big_problem 0.581 25566
a_big_problem 0.559 88869
cause_problem 0.557 55221
be_the_lead_cause_of 0.544 54897
be_an_issue_that 0.541 55277
be_a_major_source_of 0.539 84887
have_a_negative_impact_on 0.532 59545
be_out_of_control 0.532 61274
be_problematic 0.530 27860
the_main_problem 0.529 46787
be_get_bad 0.528 61726
major_concern 0.524 70286
the_main_cause_of 0.517 84914
be_unacceptable 0.516 22297
another_problem 0.515 52607
have_a_negative_effect_on 0.510 81088
be_alarming 0.503 89311