| Similarity | Rank | |
|---|---|---|
| propane | 0.830 | 19839 |
| fuel | 0.821 | 1992 |
| gasoline | 0.800 | 8864 |
| gases | 0.775 | 11662 |
| methane | 0.773 | 19799 |
| LPG | 0.773 | 42074 |
| coal | 0.773 | 5233 |
| gas-fired | 0.764 | 70372 |
| Gas | 0.763 | 8205 |
| electricity | 0.758 | 3160 |
| liquefied | 0.752 | 42301 |
| kerosene | 0.750 | 35544 |
| combustion | 0.744 | 15295 |
| butane | 0.742 | 64637 |
| hydrocarbon | 0.742 | 36213 |
| gasses | 0.742 | 45276 |
| CNG | 0.742 | 43143 |
| petroleum | 0.742 | 13215 |
| fuels | 0.732 | 9417 |
| hydrocarbons | 0.726 | 32458 |
| coal-fired | 0.722 | 36383 |
| gasification | 0.721 | 64900 |
| condensate | 0.718 | 47797 |
| diesel | 0.718 | 8085 |
| geothermal | 0.716 | 21905 |