Do time is a term used to refer to the period of incarceration someone serves in prison. The two crossword solutions for this term are EDIT (4 letters) and SERVE (5 letters). EDIT can be used to describe the process of making changes to a document or piece of writing, while SERVE can be used to describe the act of providing a service or fulfilling a duty. Both words can be used to describe the experience of doing time in prison, as inmates are often required to make changes to their behavior and attitudes, as well as SERVE out their sentence.