| Similarity | Rank | |
|---|---|---|
| Propane | 0.833 | 57643 |
| Fuels | 0.800 | 48822 |
| Electricity | 0.798 | 20930 |
| Fuel | 0.785 | 13558 |
| Oil | 0.776 | 5417 |
| Pipelines | 0.773 | 91389 |
| Energy | 0.769 | 2769 |
| Geothermal | 0.767 | 51004 |
| Electric | 0.765 | 7556 |
| Gasoline | 0.764 | 47956 |
| gas | 0.763 | 1338 |
| Petroleum | 0.762 | 18955 |
| Coal | 0.760 | 17487 |
| LPG | 0.757 | 42074 |
| Boiler | 0.756 | 48453 |
| Heating | 0.745 | 20354 |
| Gases | 0.737 | 90904 |
| Heaters | 0.736 | 66548 |
| Combustion | 0.734 | 74853 |
| Petrol | 0.732 | 58896 |
| Heater | 0.730 | 46965 |
| Renewable | 0.727 | 19768 |
| Drilling | 0.720 | 33103 |
| Refrigeration | 0.718 | 64732 |
| Biodiesel | 0.713 | 63631 |