There are 15 words that start with 'deck'.
| deck | decks | decked | 
| deckel | decker | deckle | 
| deckels | deckers | decking | 
| deckles | deckhand | deckings | 
| deckhands | deckhouse | deckhouses | 
Note: These 15 words that start with 'deck' are found from the USA & Canada version of the tournament Scrabble word list.