There are 10 words that start with 'repose'.
| repose | reposed | 
| reposer | reposes | 
| reposers | reposedly | 
| reposeful | reposefully | 
| reposefulness | reposefulnesses | 
Note: These 10 words that start with 'repose' are found from the USA & Canada version of the tournament Scrabble word list.