There are 13 words that start with 'reprog'.
| reprogram | reprograms | 
| reprogramed | reprography | 
| reprograming | reprogrammed | 
| reprographer | reprographic | 
| reprogramming | reprographers | 
| reprographics | reprographies | 
| reprogrammable | |
Note: These 13 words that start with 'reprog' are found from the USA & Canada version of the tournament Scrabble word list.