| Similarity | Rank | |
|---|---|---|
| luminaire | 0.958 | 97285 |
| ballasts | 0.851 | 76137 |
| dimmers | 0.832 | 99439 |
| LEDs | 0.815 | 18164 |
| LED | 0.804 | 5610 |
| lighting | 0.794 | 3051 |
| LED's | 0.789 | 71808 |
| lamps | 0.782 | 9538 |
| daylighting | 0.770 | 93864 |
| fixtures | 0.748 | 10585 |
| halogen | 0.747 | 35812 |
| switchgear | 0.742 | 89248 |
| diodes | 0.740 | 40668 |
| reflectors | 0.736 | 47762 |
| low-voltage | 0.735 | 82876 |
| illumination | 0.733 | 16924 |
| skylights | 0.723 | 42500 |
| light-emitting | 0.720 | 81527 |
| backlighting | 0.717 | 71831 |
| CFLs | 0.715 | 56707 |
| halide | 0.714 | 79151 |
| incandescent | 0.712 | 24018 |
| inverters | 0.712 | 49071 |
| Halogen | 0.710 | 87105 |
| dimming | 0.709 | 46087 |