This is the 1551st most frequent Portuguese word.
moedas
Coins.
In this sentence, 'moedas' refers to physical small, flat, round pieces of metal used as currency, emphasizing their historical aspect as antiques.
João encontrou algumas moedas antigas em um baú velho.
João found some old coins in an old chest.
Here, 'moedas' represents various types of currency from different countries, showing its abstract usage relating to monetary systems.
Elen comprar uma máquina que converte moedas estrangeiras.
Elen bought a machine that converts foreign currencies.
In this example, 'moedas' is singular ('moeda nacional') and signifies the concept of a national monetary unit.