Is “Playoff” a Scrabble word?
Yes
PLAYOFF
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 Playoff
noun
1.A final game in a series needed to break a tie.
2.A short series of games to select a league champion.