| Similarity | Rank | |
|---|---|---|
| rechargeable | 0.899 | 26325 |
| Batteries | 0.845 | 37885 |
| Cordless | 0.817 | 68526 |
| NiMH | 0.812 | 75657 |
| Li-Ion | 0.802 | 97008 |
| batteries | 0.784 | 5828 |
| Flashlight | 0.783 | 71554 |
| charger | 0.776 | 14631 |
| Li-ion | 0.772 | 86837 |
| Charger | 0.766 | 34749 |
| Charging | 0.757 | 39310 |
| Battery | 0.754 | 12899 |
| Handheld | 0.749 | 58851 |
| battery | 0.748 | 2841 |
| Cartridges | 0.738 | 78592 |
| Lithium | 0.731 | 40293 |
| 9V | 0.729 | 95933 |
| 12-volt | 0.728 | 97503 |
| Portable | 0.724 | 20219 |
| 12V | 0.723 | 44822 |
| Recharge | 0.722 | 84495 |
| Inverter | 0.722 | 90729 |
| Diode | 0.714 | 86694 |
| chargers | 0.711 | 26160 |
| Cartridge | 0.703 | 57667 |