| Similarity | Rank | |
|---|---|---|
| Btu | 0.921 | 95043 |
| BTU | 0.888 | 51224 |
| kWh | 0.786 | 29342 |
| kilowatt | 0.770 | 45080 |
| MWh | 0.762 | 81228 |
| kilowatt-hour | 0.747 | 96618 |
| kwh | 0.742 | 97384 |
| kilowatts | 0.741 | 58726 |
| kW | 0.731 | 27413 |
| gas-fired | 0.716 | 70372 |
| gallons | 0.715 | 10814 |
| megawatts | 0.706 | 34528 |
| watts | 0.703 | 18963 |
| heating | 0.694 | 4216 |
| heaters | 0.691 | 15430 |
| litres | 0.689 | 20881 |
| gigawatts | 0.679 | 88899 |
| boilers | 0.677 | 25056 |
| heater | 0.670 | 10118 |
| tankless | 0.668 | 50304 |
| cubic | 0.666 | 13928 |
| gpm | 0.665 | 78545 |
| electricity | 0.662 | 3160 |
| chillers | 0.654 | 71691 |
| horsepower | 0.652 | 16158 |