| Similarity | Rank | |
|---|---|---|
| caesium-137 | 0.933 | 59747 |
| strontium | 0.882 | 49539 |
| caesium | 0.877 | 37760 |
| naturally-occurring | 0.876 | 73009 |
| polonium-210 | 0.873 | 71984 |
| colloid | 0.869 | 46508 |
| iodine-131 | 0.862 | 51608 |
| thorium | 0.861 | 60984 |
| bromine | 0.855 | 45010 |
| beryllium | 0.851 | 52345 |
| polycyclic | 0.850 | 68633 |
| methanogenesis | 0.848 | 54198 |
| mucopolysaccharide | 0.847 | 83120 |
| hypertonic | 0.845 | 59585 |
| non-methanogenic | 0.842 | 82874 |
| radium | 0.842 | 42478 |
| unabsorbed | 0.841 | 81317 |
| heparan | 0.841 | 85580 |
| biphenyl | 0.841 | 49287 |
| butyric | 0.841 | 78261 |
| organochlorine | 0.840 | 48475 |
| adsorbent | 0.840 | 52226 |
| carbon-14 | 0.839 | 58995 |
| acetylate | 0.838 | 58969 |
| ruthenium | 0.838 | 96719 |