| Similarity | Rank | |
|---|---|---|
| hcfcs | 0.906 | 61147 |
| ozone-damaging | 0.896 | 88642 |
| hfcs | 0.865 | 88618 |
| ozone-depleting | 0.859 | 40272 |
| ozone-benign | 0.851 | 99646 |
| chlorofluorocarbon | 0.848 | 24061 |
| halon | 0.847 | 27495 |
| phase-out | 0.838 | 38825 |
| hcfc | 0.826 | 89263 |
| low-sulphur | 0.812 | 51947 |
| cfc | 0.809 | 9251 |
| fluorocarbon | 0.808 | 92192 |
| fumigant | 0.806 | 99638 |
| vocs | 0.805 | 67555 |
| ozone-destroy | 0.804 | 88366 |
| stockpiling | 0.804 | 49966 |
| fossil-fuel | 0.803 | 76055 |
| feedstock | 0.800 | 29226 |
| phosgene | 0.800 | 98640 |
| first-stage | 0.798 | 75049 |
| hfc | 0.797 | 66988 |
| mox | 0.797 | 53327 |
| biphenyl | 0.796 | 49287 |
| bactericidal | 0.787 | 81892 |
| klea | 0.786 | 56051 |