There are 16 words that start with 'blank'.
| blank | blanks | 
| blanked | blanker | 
| blanket | blankly | 
| blankest | blankets | 
| blanking | blanketed | 
| blankness | blanketing | 
| blanketlike | blanknesses | 
| blanketflower | blanketflowers | 
Note: These 16 words that start with 'blank' are found from the USA & Canada version of the tournament Scrabble word list.