Supercoil is a term that is commonly used in molecular biology to refer to the coiled structure of DNA molecules. However, there are a number of synonyms for this term that can be used interchangeably. Some of these synonyms include over-twisted DNA, helix deformation, DNA torsion, DNA writhing, and superhelix. These different terms all refer to the same process of DNA molecules twisting and contorting upon themselves, which can have important implications for cellular function and the transmission of genetic information. Understanding these different synonyms can thus be important for those working in the field of molecular biology, allowing for more precise communication and collaboration in research endeavors.