How many nation that used peso money?

Answer: 8 countries use "peso" currency word this are the following:

Argentina Pesos (ARS)
Chile Pesos (CLP)
Colombia Pesos (COP)
Cuba Pesos (CUP)
Dominican Republic Pesos (DOP)
Mexico Pesos (MXN)
Philippines Pesos (PHP)
Uruguay Pesos (UYU)