SimilarityRank
coupon 0.793 9832
coupon_code 0.682 47847
Coupons 0.680 94090
[number]_%_off 0.653 20951
gift_card 0.644 24908
voucher_for 0.641 79911
promo_code 0.631 52205
gift_certificate 0.629 64847
discount 0.625 4205
$_[number]_off 0.624 99122
discount_on 0.621 44577
discount_code 0.610 84923
free_sample 0.608 90605
a_discount 0.607 21189
special_offer 0.602 21925
buy_one 0.587 33133
discount_for 0.586 38473
freebie 0.585 32842
discounted 0.570 54028
[number]_%_discount 0.568 82527
for_only_$_[number] 0.556 44656
Discount 0.549 45973
gift_bag 0.541 97926
free_shipping 0.537 40947
for_just_$_[number] 0.532 61758