| Similarity | Rank | |
|---|---|---|
| radioactivity | 0.895 | 42842 |
| plutonium | 0.865 | 35604 |
| tritium | 0.827 | 73668 |
| isotopes | 0.826 | 45629 |
| cesium | 0.824 | 91358 |
| radium | 0.807 | 78644 |
| isotope | 0.794 | 45212 |
| Radioactive | 0.790 | 64607 |
| thorium | 0.783 | 70297 |
| strontium | 0.779 | 86420 |
| ionizing | 0.775 | 62668 |
| dioxin | 0.774 | 57731 |
| gaseous | 0.769 | 42339 |
| dioxins | 0.766 | 77636 |
| deuterium | 0.766 | 86208 |
| uranium | 0.765 | 14132 |
| contaminant | 0.755 | 45441 |
| arsenic | 0.747 | 26971 |
| toxic | 0.747 | 5541 |
| mercury | 0.745 | 12016 |
| radiation | 0.743 | 5280 |
| irradiated | 0.743 | 55139 |
| incineration | 0.742 | 62397 |
| fluorine | 0.736 | 79157 |
| benzene | 0.734 | 46443 |