There are 16 words that start with 'drou'.
| drouk | drouks | 
| drouth | drought | 
| drouked | drouths | 
| drouthy | droughts | 
| droughty | drouking | 
| drouthier | droughtier | 
| drouthiest | droughtiest | 
| droughtiness | droughtinesses | 
Note: These 16 words that start with 'drou' are found from the USA & Canada version of the tournament Scrabble word list.