There are 13 words that start with 'headst'.
| headstay | headstall | headstand | 
| headstays | headstock | headstone | 
| headstalls | headstands | headstocks | 
| headstones | headstream | headstrong | 
| headstreams | ||
Note: These 13 words that start with 'headst' are found from the USA & Canada version of the tournament Scrabble word list.