Is “Somnambulism” a Scrabble word?
Yes
SOMNAMBULISM
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 Somnambulism
noun
1.Sleepwalking
Synonyms: noctambulism, sleepwalking, somnambulance, somnambulation