Is “Kyu” a Scrabble word?
Yes
KYU
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 Kyu
noun
1.A grade or rank in various Japanese activities such as martial arts, flower arranging, and the game of go.