There are 16 words that start with 'demur'.
| demur | demure | demurs | 
| demurer | demurely | demurest | 
| demurral | demurred | demurrer | 
| demurrage | demurrals | demurrers | 
| demurring | demureness | demurrages | 
| demurenesses | ||
Note: These 16 words that start with 'demur' are found from the USA & Canada version of the tournament Scrabble word list.