| Similarity | Rank | |
|---|---|---|
| caesium-137 | 0.861 | 59747 |
| strontium | 0.859 | 49539 |
| caesium | 0.853 | 37760 |
| beryllium | 0.844 | 52345 |
| contaminant | 0.841 | 23773 |
| adsorbent | 0.839 | 52226 |
| gas-phase | 0.839 | 66348 |
| strontium-90 | 0.836 | 87007 |
| ruthenium | 0.835 | 96719 |
| molybdenum | 0.832 | 51774 |
| redox | 0.822 | 63528 |
| polycyclic | 0.821 | 68633 |
| colloid | 0.820 | 46508 |
| iodine-131 | 0.816 | 51608 |
| ferric | 0.816 | 42961 |
| organochlorine | 0.815 | 48475 |
| rubidium | 0.815 | 84782 |
| near-surface | 0.815 | 54855 |
| supercritical | 0.813 | 66102 |
| high-temperature | 0.812 | 42007 |
| adsorption | 0.812 | 24600 |
| humic | 0.811 | 50893 |
| thorium | 0.810 | 60984 |
| fullerene | 0.810 | 49639 |
| polonium-210 | 0.809 | 71984 |