Is “Tosa” a Scrabble word?
Yes
TOSA
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 Tosa
noun
1.A Japanese breed of fighting dog
Synonyms: tosa inu