There are 11 words that start with 'vesp'.
| vesper | vespid | vespers | 
| vespids | vespine | vesperal | 
| vespiary | vesperals | vespertine | 
| vespiaries | vespertilian | |
Note: These 11 words that start with 'vesp' are found from the USA & Canada version of the tournament Scrabble word list.