| Similarity | Rank | |
|---|---|---|
| contamination | 0.829 | 11533 |
| contaminate | 0.741 | 22924 |
| be_contaminate | 0.715 | 65714 |
| contaminated | 0.699 | 43979 |
| contaminated_water | 0.664 | 71547 |
| contaminant | 0.658 | 17936 |
| pollution_from | 0.609 | 77604 |
| water_pollution | 0.593 | 34005 |
| effluent | 0.577 | 39640 |
| ground_water | 0.576 | 30977 |
| leakage_of | 0.569 | 96539 |
| pollution | 0.566 | 4581 |
| ingestion_of | 0.564 | 86594 |
| health_hazard | 0.558 | 63475 |
| surface_water | 0.553 | 17620 |
| pollute | 0.552 | 14591 |
| to_human_health | 0.549 | 89671 |
| environmental_pollution | 0.549 | 52695 |
| environmental_damage | 0.548 | 43109 |
| groundwater | 0.542 | 10207 |
| arsenic | 0.541 | 26103 |
| sedimentation | 0.540 | 42921 |
| degradation_of | 0.540 | 22196 |
| pesticide | 0.538 | 6014 |
| waste_disposal | 0.537 | 44322 |