"Polska" is the Polish word for Poland. However, there are several synonyms for the word "polska" that can be used interchangeably. Some of these synonyms include "Rzeczpospolita Polska," which can be translated as "Polish republic," and "Polskie," which is used to describe things that are related to or from Poland. Other synonyms for "polska" include "Kraj nad Wisłą," which means "Country on the Vistula River," and "Polszczyzna," which refers to the Polish language. Additionally, "Polska" can be replaced with "Polska Rzeczpospolita Ludowa," which means "Polish People's Republic," a name that was used during the communist era of Poland.