| 1 | 热 | 熱 | rè | re4 | to warm up; to heat up; hot (of weather); heat; fervent | | |
| 2 | 热情 | 熱情 | rè qíng | re4 qing2 | cordial; enthusiastic; passion; passionate; passionately | | |
| 3 | 热量 | 熱量 | rè liàng | re4 liang4 | heat; quantity of heat; calorific value | | |
| 4 | 热烈 | 熱烈 | rè liè | re4 lie4 | enthusiastic; ardent; warm | | |
| 5 | 加热 | 加熱 | jiā rè | jia1 re4 | to heat | | |
| 6 | 热爱 | 熱愛 | rè ài | re4 ai4 | to love ardently; to adore | | |
| 7 | 热闹 | 熱鬧 | rè nao | re4 nao5 | bustling with noise and excitement; lively | | |
| 8 | 热带 | 熱帶 | rè dài | re4 dai4 | the tropics; tropical | | |
| 9 | 热能 | 熱能 | rè néng | re4 neng2 | heat energy | | |
| 10 | 热力学 | 熱力學 | rè lì xué | re4 li4 xue2 | thermodynamics | | |
| 11 | 发热 | 發熱 | fā rè | fa1 re4 | to have a high temperature; feverish; unable to think calmly; to emit heat | | |
| 12 | 热心 | 熱心 | rè xīn | re4 xin1 | enthusiasm; zeal; zealous; zest; enthusiastic; ardent; warmhearted | | |
| 13 | 亲热 | 親熱 | qīn rè | qin1 re4 | affectionate; intimate; warmhearted; to get intimate with sb | | |
| 14 | 热水 | 熱水 | rè shuǐ | re4 shui3 | hot water | | |
| 15 | 炎热 | 炎熱 | yán rè | yan2 re4 | blistering hot; sizzling hot (weather) | | |
| 16 | 受热 | 受熱 | shòu rè | shou4 re4 | heated; sunstroke | | |
| 17 | 热气 | 熱氣 | rè qì | re4 qi4 | steam; heat; Classifiers: 股 | | |
| 18 | 亚热带 | 亞熱帶 | yà rè dài | ya4 re4 dai4 | subtropical (zone or climate) | | |
| 19 | 狂热 | 狂熱 | kuáng rè | kuang2 re4 | zealotry; fanatical; feverish | | |
| 20 | 热力 | 熱力 | rè lì | re4 li4 | heat | | |
| 21 | 热泪 | 熱淚 | rè lèi | re4 lei4 | hot tears | | |
| 22 | 火热 | 火熱 | huǒ rè | huo3 re4 | fiery; burning; fervent; ardent; passionate | | |
| 23 | 热潮 | 熱潮 | rè cháo | re4 chao2 | upsurge; popular craze | | |
| 24 | 副热带 | 副熱帶 | fù rè dài | fu4 re4 dai4 | subtropical (zone or climate) | | |
| 25 | 地热 | 地熱 | dì rè | di4 re4 | geothermal | | |