| Similarity | Rank | |
|---|---|---|
| cadmium | 0.700 | 41060 |
| arsenic | 0.699 | 26103 |
| metal | 0.671 | 2477 |
| sludge | 0.660 | 28932 |
| mercury | 0.648 | 12741 |
| contaminant | 0.647 | 17936 |
| pollutant | 0.630 | 14162 |
| nitrate | 0.626 | 26529 |
| dioxin | 0.625 | 55824 |
| toxic_substance | 0.614 | 64101 |
| cyanide | 0.613 | 59226 |
| acid | 0.611 | 9078 |
| phosphorus | 0.605 | 20115 |
| leach | 0.599 | 58619 |
| phosphorous | 0.598 | 70296 |
| Pb | 0.595 | 71606 |
| sulfur | 0.588 | 33667 |
| manganese | 0.588 | 42076 |
| sediment | 0.587 | 9378 |
| nitrogen | 0.578 | 11773 |
| industrial_waste | 0.576 | 70885 |
| trace_element | 0.574 | 82700 |
| and_other_chemical | 0.570 | 95068 |
| radioactive | 0.570 | 38124 |
| toxic | 0.568 | 9435 |