The term 'Separate into Parts' can be expressed by the 6-letter word 'DIVIDE'. This term is used to describe the process of breaking something down into its individual components. It is often used in mathematics, science, and engineering to refer to the act of separating a complex problem into smaller, more manageable parts. In other contexts, it can also refer to the act of separating two or more entities, such as people, ideas, or objects.