| Similarity | Rank | |
|---|---|---|
| chlorofluorocarbon | 0.879 | 24061 |
| halon | 0.835 | 27495 |
| ozone-depleting | 0.831 | 40272 |
| hcfcs | 0.821 | 61147 |
| hydrochlorofluorocarbon | 0.809 | 88646 |
| co2 | 0.804 | 18793 |
| ozone-benign | 0.792 | 99646 |
| 134a | 0.782 | 62803 |
| ozone-damaging | 0.779 | 88642 |
| tetrachloride | 0.774 | 38419 |
| dioxide | 0.771 | 4762 |
| chlorine | 0.770 | 10537 |
| refrigerant | 0.767 | 52632 |
| propellant | 0.758 | 43000 |
| carbon | 0.754 | 3195 |
| emission | 0.750 | 3620 |
| nox | 0.745 | 28969 |
| feedstock | 0.744 | 29226 |
| phase-out | 0.743 | 38825 |
| klea | 0.742 | 56051 |
| hcfc | 0.739 | 89263 |
| sulphur | 0.737 | 6647 |
| hfcs | 0.733 | 88618 |
| nitrogen | 0.724 | 6386 |
| ozone | 0.724 | 5037 |