There are 20 words that start with 'room'.
room | rooms | roomy |
roomed | roomer | roomie |
roomers | roomful | roomier |
roomies | roomily | rooming |
roomette | roomfuls | roomiest |
roommate | roomettes | roominess |
roommates | roominesses | |
Note: These 20 words that start with 'room' are found from the USA & Canada version of the tournament Scrabble word list.