Is “Nana” a Scrabble word?
Yes
NANA
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 Nana
/ˈnɑːnə/
noun
1.A banana
2.A fool
“You look a right nana dressed up like that.”