There are 16 words that end with 'uple'.
duple | couple | decuple |
nonuple | octuple | scruple |
centuple | decouple | septuple |
sextuple | recouple | uncouple |
quadruple | quintuple | intercouple |
thermocouple | ||
Note: These 16 words that end with 'uple' are found from the USA & Canada version of the tournament Scrabble word list.