| Similarity | Rank | |
|---|---|---|
| Daiichi | 0.877 | 67360 |
| TEPCO | 0.842 | 82896 |
| Chernobyl | 0.827 | 39079 |
| Tohoku | 0.769 | 77848 |
| Hiroshima | 0.753 | 31817 |
| Nagasaki | 0.732 | 46422 |
| Miyagi | 0.731 | 88442 |
| Sendai | 0.726 | 81773 |
| Japan's | 0.710 | 14546 |
| tsunami | 0.710 | 16245 |
| Prefecture | 0.697 | 43343 |
| Haiyan | 0.678 | 51058 |
| reactors | 0.672 | 19700 |
| reactor | 0.672 | 16143 |
| Chiba | 0.667 | 84396 |
| Hokkaido | 0.666 | 58417 |
| cesium | 0.665 | 91358 |
| prefecture | 0.665 | 57167 |
| Tsunami | 0.662 | 38396 |
| Kyushu | 0.650 | 77802 |
| typhoon | 0.648 | 35514 |
| Japans | 0.648 | 91271 |
| Japan | 0.647 | 2420 |
| NHK | 0.643 | 83111 |
| Tokyo | 0.636 | 8332 |