Is “Mahjong” a Scrabble word?
Yes
MAHJONG
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 Mahjong
/mɑˈdʒɔŋ/
noun
1.A game (originally Chinese) for four players, using a collection of tiles divided into five or six suits.
2.A solitaire game using the same tiles, where the player wins by removing pairs of matching exposed tiles until none remain.
Synonyms: mahjong solitaire