| Similarity | Rank | |
|---|---|---|
| Hydrogen | 0.777 | 61006 |
| fuel_cell | 0.754 | 19021 |
| helium | 0.732 | 38634 |
| methane | 0.696 | 14641 |
| hydrogen_atom | 0.692 | 96670 |
| methanol | 0.690 | 39114 |
| liquid_fuel | 0.681 | 86707 |
| hydrocarbon | 0.670 | 21173 |
| thorium | 0.656 | 91969 |
| proton | 0.655 | 20444 |
| propane | 0.641 | 42218 |
| Co_2 | 0.640 | 19859 |
| natural_gas | 0.639 | 5419 |
| carbon_dioxide | 0.637 | 11994 |
| nitrogen | 0.636 | 11773 |
| alternative_fuel | 0.634 | 38448 |
| renewable_fuel | 0.633 | 88540 |
| bioga | 0.633 | 33090 |
| ammonia | 0.631 | 28243 |
| sulfur | 0.630 | 33667 |
| gas | 0.629 | 1663 |
| biodiesel | 0.625 | 34972 |
| carbon | 0.622 | 6134 |
| reactant | 0.622 | 83348 |
| nuclear_fuel | 0.619 | 72533 |