Related by context. Frequent words. (Click for all words.) 62 Tottori 62 Ryukyu 59 Kyushu 56 Okinawa 56 Kagoshima Prefecture 55 Hokkaido 54 Aomori Prefecture 54 Kagoshima 54 Tohoku 54 Okinawa Prefecture 54 Nihon 53 Ehime 53 Okinawan 52 Chuo 52 Shikoku 51 Hawaii Manoa 51 Shimane 51 Kanagawa 51 Kitakyushu 51 Hitotsubashi University 50 Kanagawa Prefecture 50 Gunma 50 Gifu 50 Tamkang University 50 Shizuoka Prefecture 50 Waseda University 50 Imai 50 Iwakuni 50 Yasui 49 Hawai'i Hilo 49 Yoshihiro 49 Wakayama 49 Hakodate 49 Tokai 49 Kumamoto 49 Mie Prefecture 48 Mitsuo 48 Hagiwara 48 Noboru 48 Hawai'i Manoa 48 Masao 48 Osamu 48 Prefectural 48 Mie 48 Yumiko 48 Omura 48 prefectural 48 Keio University 48 Tsutomu 48 Kyung Hee University 48 Ohira 47 Kushiro 47 Manchuria 47 Honshu 47 Hawai'i 47 Niigata 47 Matsushima 47 Tokyo Waseda University 47 Michio 47 Tokushima 47 Hideo 47 Fumio 47 Kansai 47 Inamine 47 Kanazawa 47 Tsukuba 47 Hiroaki 47 Iwate Prefecture 47 Fukuoka Prefecture 47 Takako 47 Shigeru 47 Meiji 47 Aomori 46 Chubu 46 Tokunaga 46 Tanegashima 46 National Chengchi University 46 Okayama 46 Satoru 46 Masaru 46 Naha 46 Toyama 46 Kuril Islands 46 Waseda 46 Shimonoseki 46 prefecture 46 Senkaku Islands 46 Okinawans 46 Yamamura 46 Matsuri 46 Japan 46 Kazuhiko 46 Keiji 45 Nagoya 45 Keiichi 45 Isao 45 Yasuko 45 Hanyang University 45 Shizuoka prefecture 45 Chiba Prefecture 45 Yamaguchi Prefecture