電
| Level 4 vocabulary | ||
| 電気 | (n) electricity/ (electric) light/ (P) | |
| 電車 | (n) electric train/ (P) | |
| 電話 | (n,vs) telephone/ (P) | |
| Level 3 vocabulary | ||
| 電灯 | (n) electric light/ (P) | |
| 電報 | (n) telegram/ (P) | |
| Level 2 vocabulary | ||
| 乾電池 | (n) dry cell/ battery/ (P) | |
| 停電 | (n,vs) failure of electricity/ (P) | |
| 電球 | (n) light bulb/ (P) | |
| 電子 | (n) (1) electron/ (2) (esp. as a prefix) electronic/ electronics/ (P) | |
| 電線 | (n) electric line/ (P) | |
| 電池 | (n) battery/ (P) | |
| 電柱 | (n) telephone pole/ telegraph pole/ lightpole/ (P) | |
| 電波 | (n) electro-magnetic wave/ (P) | |
| 電流 | (n) electric current/ (P) | |
| 電力 | (n) electric power/ (P) | |
| 発電 | (n,vs) generation (e.g. power)/ (P) | |
| Level 1 vocabulary | ||
| 電源 | (n) source of electricity/ power (button on TV, etc.)/ (P) | |