Is “Dux” a Scrabble word?
Yes
DUX
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 Dux
/dʌks/
noun
1.The top (male or female) academic student in a school, or in a year of school; the top student in a specified academic discipline.
2.A high-ranking commander in the Roman army, responsible for more than one legion.
3.The subject of a fugue, answered by the comes.
Synonyms: valedictorian