Is “Cwms” a Scrabble word?
Yes
CWMS
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 Cwms
/kuːmz/
noun
1.A valley head created through glacial erosion and with a shape similar to an amphitheatre.
Synonyms: cirque, combe, corrie