"A sister republic" is a term used to describe a country or territory that is politically and ideologically aligned with another republic. This phrase is often used to denote a strong bond and partnership between two nations. There are various synonyms for "a sister republic" such as "a friendly nation," "an allied state," "a sister country," "a partner republic," and "a brotherly state." These synonyms convey a sense of mutual respect and cooperation, while emphasizing the common goals and aspirations that both republics share. Regardless of the term used, the meaning remains the same - a deep sense of fraternity and solidarity.