"Cope rearrangement" is a term that is commonly used in organic chemistry to refer to a specific type of chemical reaction. However, there are a number of other synonyms that can be used for this term, depending on the context in which it is being used. Some of these synonyms might include "racemization," "isomerization," "mutation," "transformation," or "restructuring." Each of these terms refers to a slightly different aspect of the chemical change involved in a cope rearrangement, and can be used to help explain the process in different ways or emphasize different aspects of the reaction.