There are 13 words that start with 'dril'.
| drill | drily | 
| drills | drilled | 
| driller | drillers | 
| drilling | drillable | 
| drillings | drillmaster | 
| drillability | drillmasters | 
| drillabilities | |
Note: These 13 words that start with 'dril' are found from the USA & Canada version of the tournament Scrabble word list.