枘凿

incompatible (abbr. for 方枘圓鑿|方枘圆凿[fang1 rui4 yuan2 zao2]) / (literary) compatible (lit. "mortise and tenon")

ruì = ru + ei4

tenon / tool handle / wedge

záo = z + ao2

chisel / to bore a hole / to chisel or dig / (literary) (bound form) certain / authentic / irrefutable / also pr. [zuo4]

枘凿 is not used as a component in another word.

枘凿 currently does not appear in any sentence.