You Collection, Middle Volume Radical: Pig (shì) Kangxi Strokes: 11 Page 1194, Entry 17 Collected Rhymes (Jiyun) identifies this as the same as the character for suckling pig (tún). Originally written as a different form. Sometimes written as a variant form. Also commonly written as a variant form (zhūn). Supplement to the Dictionary of Characters (Zihui bu) notes it is an error to write it as this character, which is incorrect.