Is “Rube” a Scrabble word?
Yes
RUBE
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 Rube
/ɹuːb/
noun
1.A person of rural heritage; a yokel.
2.An uninformed, unsophisticated, or unintelligent person.