REVOLVING (4 letters) The term 'Turning Round' can be described by two crossword solutions: ROTATION (8 letters) and REVOLVING (4 letters). ROTATION is the act of turning around a fixed point, while REVOLVING is the act of spinning around an axis. Both terms refer to the same concept of circular motion, but ROTATION is more commonly used to describe the movement of an object in a single plane, while REVOLVING is used to describe the movement of an object in multiple planes.