| shū | uncle/father's younger brother/husband's younger brother/Taiwan pr. shu2 |
| 叔 | uncle father's younger brother husband's younger brother |
| 叔丈人 | wife's uncle |
| 叔丈母 | wife's aunt |
| 叔伯 | (of cousins) descending from the same grandfather or great-grandfather |
| 叔侄 | uncles and nephews |
| 叔公 | great uncle grandfather's younger brother husband's father's younger brother |
| 叔叔 | father's younger brother uncle Taiwan pr. shu2 shu5 |
| 叔婆 | aunt by marriage husband's aunt husband's father's younger brother's wife |
| 叔嫂 | Brother-in-law who is the little brother of one's husband, and sister-in-law who is one's elder brother's wife. |
| 叔子 | brother-in-law husband's younger brother |
| 叔岳 | wife's uncle |
| 叔本华 | Arthur Schopenhauer (1788-1860), German post-Kantian philosopher |
| 叔母 | aunt wife of father's younger brother |
| 叔父 | father's younger brother uncle |
| 叔祖 | grandfather's younger brother |
| 叔祖母 | wife of paternal grandfather's younger brother |