There are 15 words that start with 'pretti'.
| prettied | prettier |
| pretties | prettify |
| prettily | prettiest |
| prettified | prettifier |
| prettifies | prettiness |
| prettifiers | prettifying |
| prettinesses | prettification |
| prettifications | |
Note: These 15 words that start with 'pretti' are found from the USA & Canada version of the tournament Scrabble word list.