| Similarity | Rank | |
|---|---|---|
| caesium | 0.812 | 37760 |
| isotopic | 0.799 | 25180 |
| strontium | 0.778 | 49539 |
| radionuclide | 0.772 | 25560 |
| zircon | 0.771 | 42608 |
| helium-3 | 0.765 | 45115 |
| ruthenium | 0.759 | 96719 |
| thorium | 0.758 | 60984 |
| carbon-14 | 0.758 | 58995 |
| caesium-137 | 0.756 | 59747 |
| strontium-90 | 0.750 | 87007 |
| gas-phase | 0.746 | 66348 |
| bultfontein | 0.744 | 94769 |
| chondrite | 0.744 | 54558 |
| rubidium | 0.739 | 84782 |
| spectrometry | 0.739 | 32616 |
| fractionation | 0.737 | 34320 |
| neodymium | 0.735 | 76300 |
| nuclide | 0.735 | 60367 |
| conductivity | 0.733 | 19296 |
| pyroxene | 0.733 | 57678 |
| radiogenic | 0.733 | 71453 |
| olivine | 0.732 | 44215 |
| radiometric | 0.731 | 42779 |
| neutron | 0.731 | 8882 |