甲斐 こうひ family or surname Also 甲斐: かい result (that makes an act worthwhile) がい result (that makes an act worthwhile) かい Kai (former province located in prese... かい Kai かいざき Kaizaki かいの Kaino かひ Kahi 甲斐こうひ family or surname English JMnedict (Japanese names) 1 Kōhi 漢字 kanji used 甲 armor, high (voice) 5画 斐 beautiful, patterned 12画