There are 16 6-letter words that start with 'dou'.
| double | doubly | doubts | douche | doughs | 
| dought | doughy | doulas | doumas | dourah | 
| douras | dourer | dourly | doused | douser | 
| douses | ||||
Note: These 16 6-letter words that start with 'dou' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with doub, doug, dour, douc, dous, doum, doup, doul, douz, doux.
4-letter words start with 'dou' (3)