There are 10 words that start with 'mortg'.
| mortgage | mortgaged | mortgagee | 
| mortgager | mortgages | mortgagor | 
| mortgagees | mortgagers | mortgaging | 
| mortgagors | ||
Note: These 10 words that start with 'mortg' are found from the USA & Canada version of the tournament Scrabble word list.