The Prussian Thaler is a historical currency that was once used in Prussia, Germany. However, there are several other terms that can be used to describe this currency. Some of the synonyms for Prussian Thaler include Reichsthaler, Rixdollar, and Reichstaler. The term "Reichsthaler" was mainly used to refer to the denominations of the Prussian Thaler. The Rixdollar term was commonly used in Scandinavia and the Netherlands before the introduction of their currency. In general, all these terms refer to the same currency but used in different parts of the world with a slightly different pronunciation or spelling. Overall, Prussian Thaler is a historical relic that is fondly remembered in Germany's rich economic history.