凿枘

to fit like mortise and tenon

záo = z + ao2

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

ruì = ru + ei4

tenon / tool handle / wedge

凿枘 is not used as a component in another word.

凿枘 currently does not appear in any sentence.