Is “Rebbe” a Scrabble word?
Yes
REBBE
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 Rebbe
/ˈɹɛbi/
noun
1.The spiritual leader of a Chassidic Jewish community.