different vs duple

different

• Not the same; exhibiting a difference. 

• Distinct, separate; used for emphasis after numbers and other determiners of quantity. 

• Various, assorted, diverse. 

• Unlike most others; unusual. 

• Differently. 

• The different ideal. 

duple

• Double. 

• Having two beats in each foot. 

• Having two beats, or a multiple of two beats, in each measure.