There are 15 words that start with 'leade'.
| leaded | leaden | leader | 
| leadens | leaders | leadened | 
| leadenly | leadening | leadenness | 
| leaderless | leadership | leaderboard | 
| leaderships | leadennesses | leaderboards | 
Note: These 15 words that start with 'leade' are found from the USA & Canada version of the tournament Scrabble word list.