The crossword solution for the term 'Word After 'SECRET' or 'SELF'' is SERVICE, which is a seven-letter word. SERVICE is an activity that is performed to help or benefit someone else. It can be done voluntarily or for a fee, and it can involve physical labor or mental effort. SERVICE is often associated with professions such as teaching, nursing, and social work, but it can also refer to any kind of assistance provided to another person.