| Similarity | Rank | |
|---|---|---|
| Photovoltaic | 0.701 | 65567 |
| PV | 0.682 | 14682 |
| photovoltaic | 0.672 | 22415 |
| photovoltaics | 0.671 | 66103 |
| CSP | 0.657 | 35309 |
| CPC | 0.633 | 26676 |
| EPC | 0.626 | 37719 |
| SunPower | 0.626 | 93594 |
| CPM | 0.615 | 39501 |
| Solar | 0.607 | 7195 |
| thin-film | 0.592 | 77599 |
| SEM | 0.588 | 29333 |
| solar | 0.586 | 2460 |
| PTC | 0.584 | 41157 |
| RTB | 0.575 | 71298 |
| NREL | 0.572 | 96585 |
| Passive | 0.572 | 29844 |
| Renewable | 0.568 | 19768 |
| GE's | 0.567 | 56783 |
| RF | 0.565 | 17277 |
| RFI | 0.562 | 66285 |
| PPC | 0.560 | 13331 |
| ZigBee | 0.559 | 96428 |
| cogeneration | 0.554 | 76666 |
| MVA | 0.554 | 86217 |