| Similarity | Rank | |
|---|---|---|
| atom | 0.852 | 4440 |
| neutrino | 0.844 | 17288 |
| electron | 0.838 | 4425 |
| antiproton | 0.834 | 64161 |
| neutron | 0.832 | 8882 |
| lepton | 0.824 | 71393 |
| hadron | 0.823 | 70782 |
| photon | 0.819 | 13925 |
| deuterium | 0.812 | 22745 |
| deuteron | 0.811 | 41033 |
| meson | 0.808 | 36201 |
| antiquark | 0.804 | 48491 |
| muon | 0.803 | 23126 |
| antielectron | 0.788 | 73471 |
| gluon | 0.785 | 39900 |
| quark | 0.779 | 18169 |
| positron | 0.779 | 41391 |
| particle | 0.774 | 3323 |
| antiparticle | 0.773 | 35120 |
| molecule | 0.767 | 3438 |
| electron-positron | 0.758 | 78343 |
| magnetosphere | 0.754 | 35041 |
| hydrogen | 0.752 | 5285 |
| covalently | 0.739 | 53048 |
| helium | 0.739 | 15355 |