There are 2 14-letter words that end with 'pper'.
snippersnapper | whippersnapper |
Note: These 2 14-letter words that end with 'pper' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with apper, opper, ipper, upper, epper, ypper.
5-letter words end with 'pper' (1)