| Similarity | Rank | |
|---|---|---|
| light-emitting | 0.749 | 81527 |
| energy-efficient | 0.727 | 24948 |
| high-efficiency | 0.723 | 53165 |
| photonic | 0.695 | 85991 |
| carbon-based | 0.693 | 97409 |
| photovoltaics | 0.692 | 66103 |
| low-voltage | 0.686 | 82876 |
| low-power | 0.685 | 53170 |
| high-intensity | 0.682 | 51261 |
| ultra-low | 0.679 | 69724 |
| energy-saving | 0.678 | 35516 |
| emitting | 0.677 | 28596 |
| superconducting | 0.676 | 84490 |
| solid-state | 0.674 | 47662 |
| plasmas | 0.673 | 90611 |
| high-power | 0.671 | 65048 |
| electro-magnetic | 0.669 | 90843 |
| photoelectric | 0.668 | 95795 |
| photovoltaic | 0.663 | 22415 |
| electromagnetic | 0.663 | 16569 |
| energy | 0.663 | 453 |
| halogen | 0.662 | 35812 |
| high-temperature | 0.659 | 68413 |
| high-energy | 0.658 | 31961 |
| energy-intensive | 0.657 | 95480 |