Ring Things is a term used to describe items that are circular in shape. GEMS (4 letters) are precious STONES that are often cut and polished to be used in jewelry. BOUTS (5 letters) are boxing matches that consist of a predetermined number of rounds. STONES (6 letters) are small pieces of rock that are found naturally in the environment. CARKEYS (7 letters) are metal objects that are used to start a car's engine.