Is “Ippon” a Scrabble word?
Yes
IPPON
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 Ippon
noun
1.The highest score in judo, awarded for a throw that places the opponent on their back with impetus or for holding the opponent on their back for a number of seconds.