| Similarity | Rank | |
|---|---|---|
| deuterium | 0.841 | 86208 |
| gaseous | 0.812 | 42339 |
| neutron | 0.789 | 35660 |
| argon | 0.784 | 60540 |
| neutrons | 0.777 | 44331 |
| hydrogen | 0.770 | 9917 |
| propellant | 0.769 | 54780 |
| antimatter | 0.763 | 64679 |
| gases | 0.754 | 11662 |
| gasses | 0.749 | 45276 |
| tritium | 0.748 | 73668 |
| protons | 0.744 | 41243 |
| atoms | 0.744 | 14412 |
| ionized | 0.737 | 59187 |
| oxygen | 0.728 | 5131 |
| molten | 0.726 | 27885 |
| superconducting | 0.725 | 84490 |
| electrons | 0.721 | 17880 |
| neutrino | 0.720 | 70890 |
| cryogenic | 0.720 | 64293 |
| isotopes | 0.716 | 45629 |
| neutrinos | 0.716 | 66418 |
| pressurized | 0.711 | 35578 |
| ionization | 0.711 | 60226 |
| dioxide | 0.711 | 10273 |