There are 12 words that start with 'phall'.
| phalli | phallic | 
| phallus | phallism | 
| phallist | phallisms | 
| phallists | phalluses | 
| phallicism | phallically | 
| phallicisms | phallocentric | 
Note: These 12 words that start with 'phall' are found from the USA & Canada version of the tournament Scrabble word list.