There are 16 words that start with 'saint'.
| saint | saints | 
| sainted | saintly | 
| saintdom | sainting | 
| saintdoms | sainthood | 
| saintlier | saintlike | 
| saintship | sainthoods | 
| saintliest | saintships | 
| saintliness | saintlinesses | 
Note: These 16 words that start with 'saint' are found from the USA & Canada version of the tournament Scrabble word list.