Is “Juku” a Scrabble word?
Yes
JUKU
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 Juku
noun
1.A private Japanese school offering lessons outside of regular school time.