There are 20 words that start with 'doom'.
| doom | dooms | doomy |
| doomed | doomful | doomier |
| doomily | dooming | doomiest |
| doomsday | doomster | doomfully |
| doomsayer | doomsdays | doomsters |
| doomsayers | doomsaying | doomsdayer |
| doomsayings | doomsdayers | |
Note: These 20 words that start with 'doom' are found from the USA & Canada version of the tournament Scrabble word list.