The term 'secede' is defined as the withdrawal of a group from a larger entity, such as a state from a nation. This term can be expressed in various ways, such as disaffiliate (12 letters), WITHDRAW (8 letters), RETIRE (6 letters), RESIGN (6 letters), separate (8 letters), QUIT (4 letters), and SPLIT (5 letters). Each of these words implies a voluntary or involuntary departure from a larger entity, and all are related to the concept of secession.