| Similarity | Rank | |
|---|---|---|
| Fukushima | 0.827 | 24452 |
| Hiroshima | 0.706 | 31817 |
| Daiichi | 0.692 | 67360 |
| Nagasaki | 0.666 | 46422 |
| radioactivity | 0.659 | 42842 |
| Earthquake | 0.649 | 35362 |
| radioactive | 0.648 | 15026 |
| Radioactive | 0.620 | 64607 |
| earthquake | 0.619 | 8535 |
| Auschwitz | 0.619 | 32938 |
| TEPCO | 0.614 | 82896 |
| disaster | 0.613 | 3885 |
| tsunami | 0.612 | 16245 |
| catastrophic | 0.612 | 13518 |
| Nuclear | 0.611 | 12253 |
| Tsunami | 0.611 | 38396 |
| fallout | 0.609 | 21565 |
| U.S.S.R. | 0.608 | 93972 |
| fall-out | 0.608 | 87447 |
| plutonium | 0.607 | 35604 |
| catastrophe | 0.606 | 15190 |
| Tohoku | 0.604 | 77848 |
| WTC | 0.602 | 36250 |
| reactor | 0.602 | 16143 |
| dioxin | 0.602 | 57731 |