There are 16 words that start with 'demer'.
| demerge | demerit | demerara | 
| demerged | demerger | demerges | 
| demerits | demersal | demeraran | 
| demeraras | demergers | demerging | 
| demerited | demergered | demeriting | 
| demergering | ||
Note: These 16 words that start with 'demer' are found from the USA & Canada version of the tournament Scrabble word list.