Czar Alexander II was a well-known historical figure who ruled Russia during the mid-19th century. When referring to him in written or spoken language, there are several common synonyms that may be used to convey the same meaning. Some of the most common synonyms for Czar Alexander II include Tsar Alexander II, Alexander the Liberator, and Alexander II of Russia. These synonyms all refer to the same person and are often used interchangeably in historical texts and academic research. Regardless of which synonym is used, all refer to a dynamic and influential leader who played a significant role in shaping the modern history of Russia.