| Similarity | Rank | |
|---|---|---|
| antiquark | 0.858 | 48491 |
| gluon | 0.854 | 39900 |
| lepton | 0.849 | 71393 |
| hadron | 0.809 | 70782 |
| antiproton | 0.786 | 64161 |
| proton | 0.779 | 10179 |
| antiparticle | 0.772 | 35120 |
| meson | 0.763 | 36201 |
| neutrino | 0.761 | 17288 |
| deuteron | 0.750 | 41033 |
| molecule | 0.744 | 3438 |
| atom | 0.734 | 4440 |
| muon | 0.732 | 23126 |
| massless | 0.731 | 80545 |
| antielectron | 0.728 | 73471 |
| photon | 0.722 | 13925 |
| particle | 0.722 | 3323 |
| fermi | 0.718 | 45492 |
| antineutron | 0.716 | 92177 |
| sub-atomic | 0.714 | 49796 |
| isomer | 0.712 | 24797 |
| recombine | 0.712 | 57943 |
| electron-positron | 0.707 | 78343 |
| antimatter | 0.707 | 51933 |
| symmetric | 0.699 | 11339 |