| 枘 |
ruì záo | incompatible (abbr. for 方枘圆凿) / (literary) compatible (lit. "mortise and tenon") |
| 枘 |
ruì | tenon / tool handle / wedge |
| 凿 |
záo | (bound form) chisel / to bore a hole; to chisel; to dig / (literary) certain; authentic; irrefutable / also pr. [zuo4] |