Hai Collection, Lower Volume Radical: Tooth (chǐ) Entry: Chu Kangxi Stroke Count: 23 Page 1534, Entry 29 Tang Rhymes (Tangyun): Pronounced chu. Collected Rhymes (Jiyun): Pronounced chu. Defined in Explaining Graphs and Analyzing Characters (Shuowen): Teeth damaged by acidic substances. Additionally, in Broad Rhymes (Guangyun): Pronounced suo. Collected Rhymes (Jiyun): Pronounced suo. Meaning is the same.