| Similarity | Rank | |
|---|---|---|
| refrigerants | 0.827 | 92454 |
| gases | 0.767 | 11662 |
| CFC | 0.759 | 51659 |
| Freon | 0.749 | 94562 |
| gasses | 0.741 | 45276 |
| GHGs | 0.741 | 91201 |
| MTBE | 0.736 | 96906 |
| dioxide | 0.724 | 10273 |
| ozone | 0.722 | 18222 |
| aerosols | 0.716 | 54502 |
| dioxins | 0.704 | 77636 |
| VOCs | 0.701 | 56195 |
| petroleum-based | 0.697 | 79740 |
| toxics | 0.693 | 88988 |
| NOx | 0.690 | 55787 |
| solvents | 0.690 | 29089 |
| hydrocarbons | 0.684 | 32458 |
| Dioxide | 0.679 | 69551 |
| chlorinated | 0.677 | 53829 |
| phase-out | 0.675 | 79997 |
| bromine | 0.673 | 75999 |
| incinerators | 0.672 | 86069 |
| formaldehyde | 0.669 | 35550 |
| glycol | 0.666 | 42161 |
| gaseous | 0.666 | 42339 |