There are 18 words that start with 'doss'.
| doss | dossal | dossed | 
| dossel | dosser | dosses | 
| dossil | dossals | dossels | 
| dossers | dossier | dossils | 
| dossing | dosseret | dossiers | 
| dosserets | dosshouse | dosshouses | 
Note: These 18 words that start with 'doss' are found from the USA & Canada version of the tournament Scrabble word list.