There are 10 words that start with 'lepro'.
| leprose | leprosy | leprous | 
| leprotic | leprosies | leprously | 
| leprosaria | lepromatous | leprosarium | 
| leprosariums | ||
Note: These 10 words that start with 'lepro' are found from the USA & Canada version of the tournament Scrabble word list.