There are 22 words that start with 'boom'.
| boom | booms | boomy |
| boomed | boomer | boombox |
| boomers | boomier | booming |
| boomkin | boomlet | boomiest |
| boomkins | boomlets | boomtown |
| boomboxes | boomerang | boomingly |
| boomtowns | boomerangs | boomeranged |
| boomeranging | ||
Note: These 22 words that start with 'boom' are found from the USA & Canada version of the tournament Scrabble word list.