| Similarity | Rank | |
|---|---|---|
| halogen | 0.832 | 35812 |
| Xenon | 0.784 | 64895 |
| Lamps | 0.770 | 53886 |
| LED's | 0.763 | 71808 |
| LED | 0.761 | 5610 |
| Fluorescent | 0.753 | 60002 |
| LEDs | 0.741 | 18164 |
| HID | 0.736 | 39715 |
| Lamp | 0.735 | 35049 |
| Lighting | 0.735 | 14660 |
| CFLs | 0.726 | 56707 |
| incandescent | 0.722 | 24018 |
| Diode | 0.718 | 86694 |
| Inverter | 0.716 | 90729 |
| Heaters | 0.715 | 66548 |
| ballasts | 0.715 | 76137 |
| Heater | 0.715 | 46965 |
| Flashlight | 0.712 | 71554 |
| lamps | 0.711 | 9538 |
| luminaires | 0.710 | 80412 |
| Bulbs | 0.709 | 63007 |
| luminaire | 0.709 | 97285 |
| Bulb | 0.707 | 63512 |
| fluorescents | 0.706 | 88488 |
| HPS | 0.704 | 72736 |