There are 15 words that start with 'leav'.
leave | leavy | leaved |
leaven | leaver | leaves |
leavens | leavers | leavier |
leaving | leavened | leaviest |
leavings | leavening | leavenings |
Note: These 15 words that start with 'leav' are found from the USA & Canada version of the tournament Scrabble word list.