There are 14 words that start with 'reop'.
| reopen | reopens | reopened | 
| reoppose | reopening | reoperate | 
| reopposed | reopposes | reoperated | 
| reoperates | reopposing | reoperating | 
| reoperation | reoperations | |
Note: These 14 words that start with 'reop' are found from the USA & Canada version of the tournament Scrabble word list.