The Peruvian Monetary Unit or PMU, is the official currency of Peru. However, there are several synonyms for this term that are commonly used by Peruvians and foreigners alike. One of these synonyms is the Sol, which is the official name for the PMU in Spanish. Additionally, people may refer to the currency as Peruvian soles or just simply soles. Another synonym for the PMU is the Peruvian dollar, which is used by some individuals to refer to the currency due to its relatively stable exchange rate against the US dollar. Overall, these synonyms are widely understood and used when discussing the Peruvian Monetary Unit.