There are 15 words that start with 'pier'.
| pier | piers | pierce |
| pierced | piercer | pierces |
| pierogi | pierrot | piercers |
| piercing | pierrots | piercings |
| pieridine | pierogies | piercingly |
Note: These 15 words that start with 'pier' are found from the USA & Canada version of the tournament Scrabble word list.