Is “Effable” a Scrabble word?
Yes
EFFABLE
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 Effable
adjective
1.Able to be spoken of; able to be expressed.