There are 12 words that start with 'potb'.
| potboy | potboil | potboys | 
| potbelly | potboils | potbound | 
| potboiled | potboiler | potbellied | 
| potbellies | potboilers | potboiling | 
Note: These 12 words that start with 'potb' are found from the USA & Canada version of the tournament Scrabble word list.