| Similarity | Rank | |
|---|---|---|
| protons | 0.929 | 41243 |
| neutrons | 0.904 | 44331 |
| electrons | 0.903 | 17880 |
| quarks | 0.885 | 65913 |
| atom | 0.873 | 16976 |
| molecules | 0.867 | 9399 |
| subatomic | 0.861 | 64342 |
| particles | 0.845 | 7018 |
| deuterium | 0.841 | 86208 |
| photons | 0.837 | 31946 |
| particle | 0.831 | 12203 |
| electron | 0.823 | 16811 |
| nuclei | 0.815 | 34182 |
| neutrinos | 0.811 | 66418 |
| ions | 0.807 | 19599 |
| molecule | 0.807 | 14352 |
| neutron | 0.794 | 35660 |
| valence | 0.790 | 72254 |
| covalent | 0.790 | 79275 |
| isotopes | 0.784 | 45629 |
| antimatter | 0.784 | 64679 |
| neutrino | 0.778 | 70890 |
| monomers | 0.773 | 93880 |
| photon | 0.771 | 33504 |
| carbons | 0.771 | 94273 |