There are 15 words that start with 'deleg'.
| delegacy | delegate | 
| delegable | delegated | 
| delegatee | delegates | 
| delegator | delegacies | 
| delegatees | delegating | 
| delegation | delegators | 
| delegations | delegitimation | 
| delegitimations | |
Note: These 15 words that start with 'deleg' are found from the USA & Canada version of the tournament Scrabble word list.