Female rulers, also known as women leaders, have been an important aspect of history and society for centuries. The term 'queen' is commonly associated with a female ruler of a monarchy, while 'empress' refers to a woman who rules an empire. Other synonyms for female rulers include 'sovereign', 'monarch', 'ruler', 'regent', 'matriarch', 'matron', 'leader', 'head', 'chief', 'president', 'governor', 'mayor', 'chairperson', 'executive', and 'director'. These words emphasize a female's authority and power over a particular country, region, or organization. Regardless of the term used, female rulers have made significant contributions to politics, culture, and society throughout history.