A wood-smoothing tool is a tool used to shape and smooth wood. An ADZ (3 letters) is a tool with a curved blade set at right angles to a handle, used for shaping wood. A PLANE (5 letters) is a tool with a sharp blade set in a block of wood, used for smoothing and shaping wood. A SANDER (6 letters) is an electric tool that uses sandpaper to smooth and shape wood. An ADZE (4 letters) is a tool with a curved blade set at right angles to a handle, used for shaping and smoothing wood. All of these tools are used to shape and smooth wood, making it easier to work with.