DNA supercoil is a term that refers to the twisted and coiled structure of DNA molecules, which help to compact and organize genetic information within cells. There are several other synonyms that are used to describe the same concept, including DNA helix, DNA coil, DNA twist, and DNA wrap. These terms all denote the same basic principle of DNA being tightly wound around itself in order to fit within the limited space of a cell. While each of these synonyms may have slightly different connotations or be used in different contexts, they all ultimately refer to the same fundamental aspect of DNA structure and organization.