| Similarity | Rank | |
|---|---|---|
| atom | 0.830 | 16976 |
| thermonuclear | 0.818 | 76089 |
| neutron | 0.790 | 35660 |
| plutonium | 0.766 | 35604 |
| antimatter | 0.762 | 64679 |
| nuclear | 0.760 | 2735 |
| neutrons | 0.758 | 44331 |
| fission | 0.758 | 39321 |
| subatomic | 0.749 | 64342 |
| neutrino | 0.743 | 70890 |
| atoms | 0.736 | 14412 |
| radioactivity | 0.736 | 42842 |
| deuterium | 0.735 | 86208 |
| isotopes | 0.731 | 45629 |
| particle | 0.729 | 12203 |
| isotope | 0.710 | 45212 |
| thorium | 0.704 | 70297 |
| fissile | 0.704 | 84273 |
| warhead | 0.701 | 54905 |
| detonation | 0.699 | 49977 |
| protons | 0.699 | 41243 |
| warheads | 0.695 | 43173 |
| neutrinos | 0.695 | 66418 |
| cesium | 0.692 | 91358 |
| superconducting | 0.692 | 84490 |