The term 'curve-shaped' can be described by the word 'ARCED', which has five letters. An arc is a curved line that is part of a larger circle or other shape. It is often used to describe the shape of an object, such as a rainbow or a bridge. Arcs are also used in mathematics to describe the shape of a graph or equation. In architecture, arches are often used to create a curved structure. Arcs can also be used to describe the shape of a wave or a sound.