Admit to is a term that can be used in many different contexts. Fess, which is four letters, means to make a voluntary confession or admission of guilt. CONFESS, which is seven letters, is similar to fess but implies a more serious admission of guilt. COP, which is three letters, is an informal term for admitting to something. Ownup, which is five letters, is another informal term for admitting to something. All of these terms refer to the act of admitting to something, whether it be guilt or responsibility.