There are 17 9-letter words that start with 'pea'.
| peaceable | peaceably | peaceniks | 
| peacetime | peachblow | peachiest | 
| peacocked | pearliest | pearlites | 
| pearlitic | pearlized | pearmains | 
| peartness | pearwoods | peasantry | 
| peasecods | peasouper | |
Note: These 17 9-letter words that start with 'pea' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with peac, pear, peas, peak, peal, peat, peag, pean, peav, peaf, peah.
4-letter words start with 'pea' (7)