| Similarity | Rank | |
|---|---|---|
| protons | 0.931 | 41243 |
| photons | 0.910 | 31946 |
| atoms | 0.903 | 14412 |
| electron | 0.902 | 16811 |
| neutrons | 0.891 | 44331 |
| ions | 0.843 | 19599 |
| photon | 0.839 | 33504 |
| molecules | 0.837 | 9399 |
| particles | 0.830 | 7018 |
| quarks | 0.829 | 65913 |
| neutrinos | 0.826 | 66418 |
| deuterium | 0.819 | 86208 |
| nuclei | 0.813 | 34182 |
| subatomic | 0.804 | 64342 |
| neutron | 0.790 | 35660 |
| gravitational | 0.785 | 22967 |
| neutrino | 0.782 | 70890 |
| superconducting | 0.781 | 84490 |
| atom | 0.778 | 16976 |
| cathode | 0.775 | 42219 |
| molecule | 0.773 | 14352 |
| ionized | 0.770 | 59187 |
| antimatter | 0.769 | 64679 |
| electromagnetic | 0.769 | 16569 |
| particle | 0.769 | 12203 |