| 1 | 炎 | 炎 | yán | yan2 | flame; inflammation; -itis | | |
| 2 | 炎热 | 炎熱 | yán rè | yan2 re4 | blistering hot; sizzling hot (weather) | | |
| 3 | 炎症 | 炎症 | yán zhèng | yan2 zheng4 | inflammation | | |
| 4 | 章太炎 | 章太炎 | zhāng tài yán | Zhang1 Tai4 yan2 | Zhang Taiyan (1869-1936), scholar, journalist, revolutionary and leading intellectual around the time of the Xinhai revolution | | |
| 5 | 肝炎 | 肝炎 | gān yán | gan1 yan2 | hepatitis | | |
| 6 | 肺炎 | 肺炎 | fèi yán | fei4 yan2 | pneumonia; inflammation of the lungs | | |
| 7 | 火炎焱燚 | 火炎焱燚 | huǒ yán yàn yì | huo3 yan2 yan4 yi4 | hot (i.e. popular) (emphatic form of 火 ) (neologism c. 2016) | | |
| 8 | 新冠肺炎 | 新冠肺炎 | xīn guān fèi yán | xin1 guan1 fei4 yan2 | COVID-19, the coronavirus disease identified in 2019 | | |
| 9 | 陈庆炎 | 陳慶炎 | chén qìng yán | Chen2 Qing4 yan2 | Tony Tan (1940-), president of Singapore 2011-2017 | | |
| 10 | 东方马脑炎病毒 | 東方馬腦炎病毒 | dōng fāng mǎ nǎo yán bìng dú | dong1 fang1 ma3 nao3 yan2 bing4 du2 | eastern equine encephalitis (EEE) virus | | |
| 11 | 顾炎武 | 顧炎武 | gù yán wǔ | Gu4 Yan2 wu3 | Gu Yanwu (1613-1682), late Ming and early Qing Confucian philosopher, linguist and historian, played a founding role in phonology of early Chinese, author of Rizhilu or Record of daily study 日知录 | | |
| 12 | 骨关节炎 | 骨關節炎 | gǔ guān jié yán | gu3 guan1 jie2 yan2 | osteoarthritis | | |
| 13 | 风湿性关节炎 | 風濕性關節炎 | fēng shī xìng guān jié yán | feng1 shi1 xing4 guan1 jie2 yan2 | rheumatoid arthritis | | |
| 14 | 肺炎双球菌 | 肺炎雙球菌 | fèi yán shuāng qiú jūn | fei4 yan2 shuang1 qiu2 jun1 | Diplococcus pneumoniae | | |
| 15 | 肺炎霉浆菌 | 肺炎黴漿菌 | fèi yán méi jiāng jūn | fei4 yan2 mei2 jiang1 jun1 | Mycoplasma pneumoniae; Mycoplasma pneumoniae | | |
| 16 | 肺炎克雷伯氏菌 | 肺炎克雷伯氏菌 | fèi yán kè léi bó shì jūn | fei4 yan2 Ke4 lei2 bo2 shi4 jun1 | Klebsiella pnenmoniae | | |
| 17 | 丁型肝炎 | 丁型肝炎 | dīng xíng gān yán | ding1 xing2 gan1 yan2 | hepatitis D | | |
| 18 | 大叶性肺炎 | 大葉性肺炎 | dà yè xìng fèi yán | da4 ye4 xing4 fei4 yan2 | lobar pneumonia | | |
| 19 | 赤日炎炎 | 赤日炎炎 | chì rì yán yán | chi4 ri4 yan2 yan2 | scorching sun (idiom) | | |
| 20 | 足底筋膜炎 | 足底筋膜炎 | zú dǐ jīn mó yán | zu2 di3 jin1 mo2 yan2 | plantar fasciitis (medicine) | | |
| 21 | 肠炎 | 腸炎 | cháng yán | chang2 yan2 | enteritis | | |
| 22 | 肠胃炎 | 腸胃炎 | cháng wèi yán | chang2 wei4 yan2 | gastroenteritis | | |
| 23 | 病毒性肝炎 | 病毒性肝炎 | bìng dú xìng gān yán | bing4 du2 xing4 gan1 yan2 | viral hepatitis | | |
| 24 | 丙型肝炎 | 丙型肝炎 | bǐng xíng gān yán | bing3 xing2 gan1 yan2 | hepatitis C | | |
| 25 | 扁桃体炎 | 扁桃體炎 | biǎn táo tǐ yán | bian3 tao2 ti3 yan2 | tonsillitis | | |