Is “Duple” a Scrabble word?
Yes
DUPLE
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 Duple
adjective
1.Double.
2.Having two beats, or a multiple of two beats, in each measure.
3.Having two beats in each foot.
Synonyms: duplicate, twosome