| Similarity | Rank | |
|---|---|---|
| cesium | 0.844 | 91358 |
| radioactivity | 0.840 | 42842 |
| deuterium | 0.836 | 86208 |
| radioactive | 0.827 | 15026 |
| radium | 0.808 | 78644 |
| strontium | 0.806 | 86420 |
| isotope | 0.798 | 45212 |
| plutonium | 0.791 | 35604 |
| isotopes | 0.791 | 45629 |
| fluorine | 0.789 | 79157 |
| thorium | 0.777 | 70297 |
| mercury | 0.749 | 12016 |
| helium | 0.748 | 31291 |
| argon | 0.741 | 60540 |
| gaseous | 0.741 | 42339 |
| ionizing | 0.740 | 62668 |
| beryllium | 0.739 | 85366 |
| reactor | 0.737 | 16143 |
| iodide | 0.737 | 66659 |
| phosphorous | 0.734 | 49921 |
| uranium | 0.732 | 14132 |
| bromine | 0.731 | 75999 |
| zirconium | 0.728 | 93190 |
| benzene | 0.727 | 46443 |
| vanadium | 0.724 | 85004 |