Is “Io” a Scrabble word?
Yes
IO
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 Io
/ˈaɪəʊ/
noun
1.A type of moth, the io moth.