| Similarity | Rank | |
|---|---|---|
| contamination_of | 0.829 | 34161 |
| contaminant | 0.759 | 17936 |
| be_contaminate | 0.753 | 65714 |
| contaminate | 0.749 | 22924 |
| contaminated | 0.726 | 43979 |
| contaminated_water | 0.679 | 71547 |
| pollution | 0.625 | 4581 |
| contaminated_soil | 0.612 | 97927 |
| radioactivity | 0.604 | 39280 |
| pollution_from | 0.599 | 77604 |
| hazardous_substance | 0.594 | 62680 |
| effluent | 0.592 | 39640 |
| toxic_substance | 0.590 | 64101 |
| arsenic | 0.589 | 26103 |
| environmental_damage | 0.586 | 43109 |
| health_hazard | 0.584 | 63475 |
| toxin | 0.580 | 10858 |
| groundwater | 0.578 | 10207 |
| dioxin | 0.578 | 55824 |
| ground_water | 0.575 | 30977 |
| pollutant | 0.572 | 14162 |
| pathogen | 0.572 | 11287 |
| environmental_risk | 0.571 | 55873 |
| toxic_waste | 0.571 | 66397 |
| salmonella | 0.569 | 79933 |