There are 13 10-letter words that start with 'dro'.
| drolleries | droopingly | dropcloths | 
| dropforged | dropforges | dropkicker | 
| droplights | dropperful | dropsondes | 
| drosophila | droughtier | drouthiest | 
| drowsiness | ||
Note: These 13 10-letter words that start with 'dro' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with drop, drow, droo, drou, dros, drol, dron, drom, drov, droi, drog.
4-letter words start with 'dro' (1)