There are 12 words that start with 'prus'.
| prussic | prussiate |
| prussiates | prussianise |
| prussianize | prussianised |
| prussianises | prussianized |
| prussianizes | prussianising |
| prussianizing | prussianization |
Note: These 12 words that start with 'prus' are found from the USA & Canada version of the tournament Scrabble word list.