Is “Dunes” a Scrabble word?
Yes
DUNES
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 Dunes
noun
1.A ridge or hill of sand piled up by the wind.
Synonyms: sand dune, sand-dune