| Similarity | Rank | |
|---|---|---|
| ballasts | 0.843 | 76137 |
| incandescent | 0.843 | 24018 |
| CFL | 0.836 | 35098 |
| fluorescents | 0.818 | 88488 |
| bulbs | 0.810 | 9495 |
| lightbulbs | 0.806 | 83664 |
| halogen | 0.799 | 35812 |
| LEDs | 0.783 | 18164 |
| LED's | 0.766 | 71808 |
| dimmers | 0.728 | 99439 |
| LED | 0.726 | 5610 |
| Halogen | 0.726 | 87105 |
| halide | 0.724 | 79151 |
| florescent | 0.723 | 78104 |
| lamps | 0.719 | 9538 |
| wattage | 0.719 | 40673 |
| luminaires | 0.715 | 80412 |
| fluorescent | 0.713 | 16234 |
| heaters | 0.706 | 15430 |
| Bulbs | 0.706 | 63007 |
| diodes | 0.705 | 40668 |
| bulb | 0.700 | 11253 |
| energy-saving | 0.698 | 35516 |
| energy-efficient | 0.694 | 24948 |
| luminaire | 0.689 | 97285 |