There are many synonyms for the phrase "leave office". Some of the most commonly used ones are "retire", "resign", "step down", "quit", "vacate", and "abdicate". These words can be used interchangeably to describe the act of leaving a position of power or authority, especially one held in a professional or political setting. Whether one is leaving voluntarily or under duress, these words can be helpful in accurately conveying the circumstances of the departure. Additionally, depending on the context, certain synonyms may be more appropriate or nuanced than others. Overall, these synonyms offer a range of options for expressing this important concept.