Is “Peso” a Scrabble word?
Yes
PESO
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Peso
/ˈpɛsoʊ/
noun
1.A former unit of currency in Spain and Spain's colonies, worth 8 reales; the Spanish dollar.
2.The currency of various countries, including but not limited to Argentina, Chile, Mexico and the Philippines.