There are 10 14-letter words that start with 'repr'.
| representation | representative | 
| repressibility | repressiveness | 
| repressurizing | repristinating | 
| repristination | reproductively | 
| reprogrammable | reprovisioning | 
Note: These 10 14-letter words that start with 'repr' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with repro, repre, repri.
5-letter words start with 'repr' (1)