There are 13 words that start with 'stalk'.
| stalk | stalks | stalky | 
| stalked | stalker | stalkers | 
| stalkier | stalkily | stalking | 
| stalkiest | stalkings | stalkless | 
| stalklike | ||
Note: These 13 words that start with 'stalk' are found from the USA & Canada version of the tournament Scrabble word list.