Predicate Consequent Reason
turtle (106) animal (14983)
u-511_(kancolle) (73) ro-500_(kancolle) (212) same character
ultimate_madoka (334) kaname_madoka (1390) A specific version of the same character
underwater (1545) water (18495) Tag Discussion forum (1459), pages 67-68
unicorn (47) horse (288) A unicorn is a mythical type of horse
utawarerumono_itsuwari_no_kamen (61) utawarerumono (190) Parent copyright
verniy_(kancolle) (93) hibiki_(kancolle) (388) A specific version of the same character
violin (348) instrument (2829) Because instrument
vocaloid_china (44) vocaloid (21362) Subset of same copyright.
volleyball (103) sport (529)
waterfall (492) water (18495) By Suggestion.
watermelon (403) fruit (3738) watermelon is both a fruit and a berry (called a pepo) http://en.wikipedia.org/wiki/Watermelon
witch_hat (1474) hat (20558)
wolf (180) animal (14983) Because a wolf is an animal
yes!_precure_5 (21) precure (483) Series to Franchise
yes!_precure_5_gogo! (3) yes!_precure_5 (21) Sequel to prequel
yukata (1401) japanese_clothes (14090)
yuki_miku (325) hatsune_miku (14478) seasonal
z_gundam (1) mobile_suit_gundam (690) Series to franchise