| 酷 | [ kù ] ruthless, strong (e.g. of wine), (loanword) cool, hip |
| 酷似 | [ kù sì ] to strikingly resemble |
| 酷兒 | [ kù ér ] queer (sexuality) |
| 酷儿 | [ kù ér ] queer (sexuality) |
| 酷刑 | [ kù xíng ] cruelty, torture |
| 酷刑折磨 | [ kù xíng zhé mó ] torture and cruel treatment |
| 酷愛 | [ kù aì ] to be keen on, to have a passion for |
| 酷爱 | [ kù aì ] to be keen on, to have a passion for |
| 酷斃 | [ kù bì ] (slang) awesome, cool, righteous |
| 酷毙 | [ kù bì ] (slang) awesome, cool, righteous |
| 酷斯拉 | [ kù sī lā ] Godzilla (Japanese ゴジラ Gojira), see also 哥斯拉[Ge1 si1 la1] |
| 酷暑 | [ kù shǔ ] intense heat, extremely hot weather |
| 酷派 | [ kù paì ] Coolpad Group Ltd, Chinese company |
| 酷炫 | [ kù xuàn ] (slang) cool, awesome |
| 酷烈 | [ kù liè ] intense, brutal, fierce |
| 酷熱 | [ kù rè ] torrid heat |
| 酷热 | [ kù rè ] torrid heat |
| 酷肖 | [ kù ] to strikingly resemble |
| 酷鵬 | [ kù péng ] coupon (loanword) |
| 酷鹏 | [ kù péng ] coupon (loanword) |
| ⇒ 優酷 | [ yoū kù ] Youku, Chinese video hosting platform |
| ⇒ 优酷 | [ yoū kù ] Youku, Chinese video hosting platform |
| ⇒ 冷酷 | [ lěng kù ] grim, unfeeling, callous |
| ⇒ 冷酷無情 | [ lěng kù wú qíng ] cold-hearted, unfeeling, callous |
| ⇒ 冷酷无情 | [ lěng kù wú qíng ] cold-hearted, unfeeling, callous |
| ⇒ 厭酷球孢子菌 | [ yàn kù qiú baō zǐ jūn ] Coccidioides immitis |
| ⇒ 厌酷球孢子菌 | [ yàn kù qiú baō zǐ jūn ] Coccidioides immitis |
| ⇒ 反酷刑折磨公約 | [ fǎn kù xíng zhé mó gōng yuē ] UN convention against torture and cruel treatment (ratified by PRC in 1988) |
| ⇒ 反酷刑折磨公约 | [ fǎn kù xíng zhé mó gōng yuē ] UN convention against torture and cruel treatment (ratified by PRC in 1988) |
| ⇒ 嚴酷 | [ yán kù ] bitter, harsh, grim, ruthless, severe, cut-throat (competition) |
| ⇒ 严酷 | [ yán kù ] bitter, harsh, grim, ruthless, severe, cut-throat (competition) |
| ⇒ 扮酷 | [ bàn kù ] to act cool |
| ⇒ 殘酷 | [ cán kù ] cruel, cruelty |
| ⇒ 残酷 | [ cán kù ] cruel, cruelty |
| ⇒ 殘酷無情 | [ cán kù wú qíng ] cruel and unfeeling (idiom) |
| ⇒ 残酷无情 | [ cán kù wú qíng ] cruel and unfeeling (idiom) |
| ⇒ 炙酷 | [ zhì kù ] torrid weather |
| ⇒ 炫酷 | [ xuàn kù ] (slang) cool, awesome |
| ⇒ 跑酷 | [ paǒ kù ] parkour (loanword) |