There are 15 words that start with 'lark'.
| lark | larks | larky | 
| larked | larker | larkers | 
| larkier | larking | larkish | 
| larkiest | larksome | larkspur | 
| larkiness | larkspurs | larkinesses | 
Note: These 15 words that start with 'lark' are found from the USA & Canada version of the tournament Scrabble word list.