| Similarity | Rank | |
|---|---|---|
| antiquark | 0.908 | 48491 |
| lepton | 0.898 | 71393 |
| massless | 0.892 | 80545 |
| deuteron | 0.888 | 41033 |
| antiproton | 0.883 | 64161 |
| antiparticle | 0.882 | 35120 |
| antielectron | 0.881 | 73471 |
| antineutron | 0.860 | 92177 |
| hadron | 0.860 | 70782 |
| antineutrino | 0.858 | 84707 |
| sub-atomic | 0.858 | 49796 |
| graviton | 0.857 | 77473 |
| ionization | 0.857 | 35151 |
| quark | 0.854 | 18169 |
| positron | 0.850 | 41391 |
| subatomic | 0.845 | 49881 |
| recombine | 0.842 | 57943 |
| d-d | 0.842 | 60360 |
| muonic | 0.842 | 70999 |
| non-bonding | 0.839 | 91183 |
| ground-state | 0.839 | 64507 |
| antimatter | 0.836 | 51933 |
| quantum-mechanical | 0.835 | 96427 |
| electron-positron | 0.835 | 78343 |
| nucleon | 0.833 | 57478 |