Is “Exon” a Scrabble word?
Yes
EXON
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 Exon
noun
1.An officer of the Queen's Body Guard of the Yeomen of the Guard.