| léi | surname Lei |
| léi | thunder/(internet slang) terrifying/terrific |
| 雷 | surname Lei |
| 雷丁 | Reading; Redding |
| 雷人 | (internet slang) shocking appalling terrifying |
| 雷克斯 | Rex (name) |
| 雷克斯暴龙 | Tyrannosaurus rex |
| 雷克萨斯 | Lexus see also 淩志|凌志 |
| 雷克雅未克 | Reykjavik |
| 雷克雅维克 | Reykjavik, capital of Iceland |
| 雷公 | Lei Gong or Duke of Thunder, the God of Thunder in Chinese mythology |
| 雷公打豆腐 | the God of Thunder strikes bean curd fig. to bully the weakest person to pick on an easy target |
| 雷公打豆腐，拣软的欺 | the God of Thunder strikes bean curd, a bully picks the weakest person to pick on an easy target |
| 雷公根 | [Biology] Asiatic pennywort |
| 雷击 | lightning strike thunderbolt |
| 雷利 | Rayleigh |
| 雷劈火烧 | to be struck by lightning and catch fire |
| 雷动 | thunderous |
| 雷区 | mine field; torpedo screen; mined area |
| 雷厉风行 | pass like thunder and move like the wind (idiom); swift and decisive reaction |
| 雷同 | mirroring others identical |
| 雷场 | mine fields |