A wood-shaving tool is a tool used to shape and smooth wood. The two most common tools for this job are a PLANE, which has five letters, and an ADZ, which has three letters. A PLANE is a tool with a flat, sharpened blade that is pushed or pulled across the surface of the wood to remove material and create a smooth finish. An ADZ is a tool with a curved blade that is used to shape and smooth wood by cutting away material.