Si Collection, Upper Volume Radical: Water (shuǐ) Sui Kangxi strokes: 17 Page 654, Entry 30 Pronounced sui. A river name. General Dictionary of Sounds (Guangyun): Same as the character pronounced sui. Collected Rhymes (Jiyun): Same as the character pronounced sui. Correct Compilation of Characters (Zhengzitong): The same as the character Sui. Geography of the Broad Realm (Kuodizhi): The Sui River has its headwaters at the Langdang Canal in Junyi County, flows east through Linlü County, and enters the Si River.