Related by context. Frequent words. (Click for all words.) 81 Fukushima nuclear 77 Fukushima plant 77 Fukushima Daiichi 75 Fukushima Daiichi nuclear 73 Fukushima Dai ichi 71 Fukushima Dai ichi nuclear 67 TEPCO 65 Tepco 63 Edano 62 Tokyo Electric 61 radiation leaks 59 Fukushima prefecture 58 Chernobyl 57 reactors 56 Secretary Yukio Edano 55 leaking radiation 54 reactor 54 Nishiyama 54 Chernobyl disaster 53 Sendai 52 radioactivity 52 partial meltdown 52 Tohoku 51 radiation 51 Miyagi prefecture 50 radioactive iodine 49 Prime Minister Naoto Kan 49 radioactive contamination 49 Miyagi 48 Kan 48 Tokyo 48 nuclear reactors 48 Shizuoka 48 Niigata 48 Japan 48 fuel rods 47 Reactor 47 Hokkaido 47 millisieverts 47 Sato 47 radioactive substances 47 prefecture 47 Jaczko 46 Miyazaki 46 Shimizu 45 Daiichi 45 Honshu 45 seawater 45 spent fuel rods 45 Hiroshima 45 radiation exposure 44 Radiation 44 Chiba 44 prefectures 44 Ota 44 radioactive 44 prefectural 43 Matsumoto 43 Ishihara 43 Fukui 43 Yokosuka 43 Hashimoto 43 Vermont Yankee nuclear 43 nuclear 43 tsunami ravaged 43 Okinawan 42 Saitama 42 Oyster Creek 42 tsunami 42 Yosano 42 DPJ 42 tritium 42 Hatoyama 42 Browns Ferry 42 NRC 42 NHK 42 Naoto Kan 42 Nuclear Power 42 San Onofre 41 nuclear reactor 41 Futenma 41 Tamura 41 Tanaka 41 Yamada 41 atomic 41 Kyodo 41 Kansai 41 Japanese 41 Takashi 40 Nakagawa 40 Kyushu 40 Oshima 40 Fukuoka 40 Mainichi 40 Nuclear 40 Nuclear Regulatory Commission 40 Okinawa 40 Shibuya 40 Hirai 40 Nagasaki 40 Merapi