There are 11 7-letter words that start with 'ill'.
| illegal | illicit | illites | illitic | 
| illness | illogic | illuded | illudes | 
| illumed | illumes | illuvia | |
Note: These 11 7-letter words that start with 'ill' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with illu, illi, ille, illo, illa, illn, ills, illy.
4-letter words start with 'ill' (2)