SimilarityRank
[number]_%_off 0.605 20951
for_just_$_[number] 0.602 61758
for_only_$_[number] 0.602 44656
for_free 0.566 2653
coupon_code 0.566 47847
$_[number]_off 0.558 99122
[number]_%_discount 0.553 82527
at_no_cost 0.546 26259
be_available_only 0.541 38873
for_Free_! 0.537 94560
be_only_available 0.536 62994
for_Free 0.530 22438
be_only_available_to 0.527 66064
you_can_purchase 0.519 38690
a_discount 0.518 21189
promo_code 0.515 52205
coupon_for 0.509 66115
at_no_charge 0.509 31567
be_available_for_free 0.508 82037
discount_code 0.507 84923
until_December_[number] 0.505 49767
limited_time 0.502 77043
special_offer 0.501 21925
absolutely_free 0.497 73133
exclusive 0.494 3819