There are 23 7-letter words that start with 'dem'.
| demagog | demands | demarks | demasts |
| demeans | dements | demerge | demerit |
| demesne | demeton | demigod | demirep |
| demised | demises | demoded | demoing |
| demonic | demoses | demoted | demotes |
| demotic | demount | demurer | |
Note: These 23 7-letter words that start with 'dem' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with demo, dema, demi, deme, demu, demy, demp.
4-letter words start with 'dem' (3)