Mammoth Uncensored Word List:
66 words ending with u, 5 letters long

adieu ahuru bantu battu bayou bijou bitou boyau buchu bucku bundu bussu centu chiru cornu coypu fichu fondu haiku hinau hokku jambu kanzu kauru kawau kombu konbu kudzu lassu macau mapau miaou muntu nairu nandu nikau noyau otaku pareu pendu perdu pikau pilau poilu ponzu poyou prahu quipu sadhu sajou samfu sansu shoyu snafu tahou tatou tendu tuktu uhuru urubu vertu virtu vodou voulu wushu zanzu