| 西柚 | xī yòu | grapefruit |
| 西格玛 | Xī gé mǎ | sigma (Greek letter Σσ); (symbol for standard deviation in statistics) |
| 西格蒙德 | Xī gé mēng dé | Sigmund (name) |
| 西格马 | xī gé mǎ | sigma (Greek letter Σσ) |
| 西楼梦 | Xī lóu mèng | Qing dynasty novel the Western Chamber by Yuan Yuling 袁于令; same as 西楼记 |
| 西楼记 | Xī lóu jì | Qing dynasty novel the Western Chamber by Yuan Yuling 袁于令; same as 西楼梦 |
| 西欧联盟 | Xī ōu Lián méng | Western European Union (WEU) |
| 西池 | Xī Chí | legendary pool |
| 西沙 | Xī shā | see 西沙群岛 |
| 西洋人 | xī yáng rén | westerner |
| 西洋杉 | xī yáng shān | cedar |
| 西洋棋 | xī yáng qí | chess |
| 西洋菜 | xī yáng cài | watercress (Nasturtium officinale) |
| 西洋镜 | xī yáng jìng | hanky-panky; trickery |
| 西洛赛宾 | xī luò sài bīn | psilocybin |
| 西凉 | Xī Liáng | Western Liang of the Sixteen Kingdoms (400-421) |
| 西港 | Xī gǎng | West Harbor; Hsikang township in Tainan county 台南县, Taiwan |
| 西港乡 | Xī gǎng xiāng | Hsikang township in Tainan county 台南县, Taiwan |
| 西湖 | Xī hú | Xihu or West lake (place name); West Lake in Hangzhou 杭州, Zhejiang; Xihu or Hsihu township in Miaoli county 苗栗县, northwest Taiwan |
| 西湖区 | Xī hú qū | West lake district (place name); Xihu district of Hangzhou city 杭州市, Zhejiang; Xihu district of Nanchang city 南昌市, Jiangxi |
| 西湖乡 | Xī hú xiāng | Xihu or Hsihu township in Miaoli county 苗栗县, northwest Taiwan |
| 西汉 | Xī Hàn | Western Han Dynasty (206 BC-8 AD), also called 前汉, Former Han Dynasty |
| 西澳大利亚 | Xī Ào dà lì yà | Western Australia (State of Australia) |
| 西澳大利亚州 | Xī ào dà lì yà zhōu | Western Australia, Australian State |
| 西乌珠穆沁旗 | Xī wū zhū mù qìn qí | West Ujimqin banner or Baruun Üzemchin khoshuu in Xilin Gol league 锡林郭勒盟, Inner Mongolia |
| 西墙 | Xī qiáng | Western Wall, or Wailing Wall (Jerusalem) |
| 西王母 | Xī wáng mǔ | Xi Wangmu, Queen Mother of the West, keeper of the peaches of immortality; popularly known as 王母娘娘 |
| 西班牙人 | Xī bān yá rén | Spaniard; Spanish person |
| 西班牙文 | Xī bān yá wén | Spanish (language) |
| 西班牙港 | xī bān yá gǎng | Port-of-Spain, capital of Trinidad and Tobago |
| 西班牙语 | Xī bān yá yǔ | Spanish language |
| 西番莲 | xī fān lián | passion flower |
| 西番雅书 | Xī fān yǎ shū | Book of Zephaniah |
| 西畴 | Xī chóu | Xichou county in Wenshan Zhuang and Miao autonomous prefecture 文山壮族苗族自治州, Yunnan |
| 西畴县 | Xī chóu xiàn | Xichou county in Wenshan Zhuang and Miao autonomous prefecture 文山壮族苗族自治州, Yunnan |
| 西盟佤族自治县 | Xī méng Wǎ zú zì zhì xiàn | Ximeng Va autonomous county in Pu'er 普洱, Yunnan |
| 西盟县 | Xī méng xiàn | Ximeng Va autonomous county in Pu'er 普洱, Yunnan |
| 西直门 | Xī zhí mén | Xizhimen neighborhood of Beijing; the main northwest gate of Beijing |
| 西秀 | Xī xiù | Xixiu district of Anshun city 安顺市, Guizhou |
| 西秀区 | Xī xiù qū | Xixiu district of Anshun city 安顺市, Guizhou |
| 西科尔斯基 | Xī kē ěr sī jī | Sikorski (name); Radosław Sikorski (1950-), Polish conservative politician, foreign minister of Poland from 2007 |
| 西秦 | Xī Qín | Western Qin of the Sixteen Kingdoms (385-431) |
| 西端 | xī duān | Western extremity |
| 西米 | xī mǐ | sago |
| 西米德兰兹 | Xī mǐ dé lán zī | West Midlands, UK county, capital Birmingham 伯明翰 |
| 西米德兰兹郡 | Xī mǐ dé lán zī jùn | West Midlands, UK county, capital Birmingham 伯明翰 |
| 西红柿炒蛋 | xī hóng shì chǎo dàn | scrambled egg with fresh tomatoes (south China); same as 番茄炒蛋 |
| 西红柿炒鸡蛋 | xī hóng shì chǎo jī dàn | scrambled chicken egg with fresh tomato (well known Mandarin dish) |
| 西经 | xī jīng | longitude west |
| 西耶那 | Xī yē nà | Fiat Siena |
