Most ring-shaped can be replaced with several synonyms, including circular, hoop-like, elliptical, round, and annular. These synonyms all imply a curved or rounded shape, which can be applied to various objects, such as jewelry, planets, or even roads. Depending on the context, certain synonyms may be more appropriate than others. For example, circular may be used to describe a perfect ring shape, while elliptical may suggest an oval-shaped ring. Ultimately, selecting the right synonym for most ring-shaped depends on the intended meaning and the overall tone of the text.