| Similarity | Rank | |
|---|---|---|
| methane | 0.869 | 19799 |
| Dioxide | 0.803 | 69551 |
| Nitrogen | 0.802 | 45976 |
| Sulfur | 0.802 | 70589 |
| Ammonia | 0.795 | 78473 |
| Hydrogen | 0.778 | 29099 |
| gases | 0.756 | 11662 |
| Gases | 0.752 | 90904 |
| Volatile | 0.747 | 77904 |
| hydrocarbons | 0.747 | 32458 |
| Ethanol | 0.742 | 51076 |
| Biomass | 0.739 | 50798 |
| Uranium | 0.738 | 45052 |
| hydrocarbon | 0.737 | 36213 |
| gasses | 0.728 | 45276 |
| ethane | 0.726 | 97441 |
| Propane | 0.726 | 57643 |
| Phosphorus | 0.726 | 67996 |
| CO2 | 0.724 | 9992 |
| gaseous | 0.720 | 42339 |
| MTBE | 0.718 | 96906 |
| Emissions | 0.717 | 37744 |
| Biofuels | 0.717 | 67613 |
| dioxide | 0.716 | 10273 |
| Fuels | 0.716 | 48822 |