Is “Tsuba” a Scrabble word?
Yes
TSUBA
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 Tsuba
/subə/
noun
1.The guard at the end of the grip of a sword.