SimilarityRank
at_no_charge 0.866 31567
at_no_cost_to 0.799 55714
for_free 0.734 2653
free-of-charge 0.701 93259
without_cost 0.668 92318
offer_free 0.659 22361
be_provide_free 0.656 62256
provide_free 0.655 21937
be_offer_free 0.645 69894
for_Free 0.622 22438
no_cost 0.616 57332
without_charge 0.614 50228
for_Free_! 0.611 94560
be_available_for_free 0.604 82037
absolutely_free 0.598 73133
for_just_$_[number] 0.583 61758
for_only_$_[number] 0.574 44656
completely_free 0.570 87642
totally_free 0.562 53802
be_completely_free 0.550 92779
free_service 0.548 48288
for_a_limited_time 0.546 53355
free 0.543 239
a_free_service 0.543 50563
upon_request 0.536 17938