Predicate Consequent Reason
turtle (107) animal (15477)
u-511_(kancolle) (73) ro-500_(kancolle) (212) same character
ultimate_madoka (335) kaname_madoka (1393) A specific version of the same character
underwater (1587) water (19058) Tag Discussion forum (1459), pages 67-68
unicorn (48) horse (296) A unicorn is a mythical type of horse
utawarerumono_itsuwari_no_kamen (61) utawarerumono (190) Parent copyright
verniy_(kancolle) (92) hibiki_(kancolle) (391) A specific version of the same character
violin (351) instrument (2884) Because instrument
vocaloid_china (44) vocaloid (21541) Subset of same copyright.
volleyball (103) sport (533)
waterfall (505) water (19058) By Suggestion.
watermelon (409) fruit (3904) watermelon is both a fruit and a berry (called a pepo) http://en.wikipedia.org/wiki/Watermelon
witch_hat (1528) hat (20981)
wolf (181) animal (15477) Because a wolf is an animal
yes!_precure_5 (21) precure (482) Series to Franchise
yes!_precure_5_gogo! (3) yes!_precure_5 (21) Sequel to prequel
yukata (1429) japanese_clothes (14454)
yuki_miku (332) hatsune_miku (14632) seasonal
z_gundam (1) mobile_suit_gundam (691) Series to franchise