There are 10 words that start with 'piper'.
| piper | pipers | piperine |
| piperines | piperonal | piperazine |
| piperidine | piperonals | piperazines |
| piperidines | ||
Note: These 10 words that start with 'piper' are found from the USA & Canada version of the tournament Scrabble word list.