There are 11 words that start with 'expell'.
| expelled | expellee | expeller | 
| expellant | expellees | expellent | 
| expellers | expelling | expellable | 
| expellants | expellents | |
Note: These 11 words that start with 'expell' are found from the USA & Canada version of the tournament Scrabble word list.