There are 12 words that start with 'polyga'.
| polygala | polygamy | polygalas | 
| polygamic | polygamies | polygamist | 
| polygamize | polygamous | polygamists | 
| polygamized | polygamizes | polygamizing | 
Note: These 12 words that start with 'polyga' are found from the USA & Canada version of the tournament Scrabble word list.