| 1 | 虹 | 虹 | hóng | hong2 | rainbow | | |
| 2 | 虹彩 | 虹彩 | hóng cǎi | hong2 cai3 | iridescence; iris (of the eye) | | |
| 3 | 虹彩流辉 | 虹彩流輝 | hóng cǎi liú huī | hong2 cai3 liu2 hui1 | full of splendid colors (idiom) | | |
| 4 | 虹口区 | 虹口區 | hóng kǒu qū | Hong2 kou3 Qu1 | Hongkou district, central Shanghai | | |
| 5 | 虹膜 | 虹膜 | hóng mó | hong2 mo2 | iris (of an eye) | | |
| 6 | 虹桥 | 虹橋 | hóng qiáo | Hong2 qiao2 | Hongqiao, the name of numerous entities, notably a major airport in Shanghai, and a district in Tianjin | | |
| 7 | 虹桥机场 | 虹橋機場 | hóng qiáo jī chǎng | Hong2 qiao2 ji1 chang3 | Hongqiao Airport (Shanghai) | | |
| 8 | 虹吸 | 虹吸 | hóng xī | hong2 xi1 | siphon | | |
| 9 | 虹吸管 | 虹吸管 | hóng xī guǎn | hong2 xi1 guan3 | siphon | | |
| 10 | 虹鳟 | 虹鱒 | hóng zūn | hong2 zun1 | rainbow trout (Oncorhynchus mykiss) | | |