There are 10 words that start with 'demob'.
| demob | demobs | 
| demobbed | demobbing | 
| demobilize | demobilized | 
| demobilizes | demobilizing | 
| demobilization | demobilizations | 
Note: These 10 words that start with 'demob' are found from the USA & Canada version of the tournament Scrabble word list.