o, e, m, r are letters that make 'roomer'
ER, room, Ro, ME, Er are words within 'roomer'
groomer, roomers are words created by adding a letter to 'roomer'
1 possible definitions for 'roomer'
Under this definition, roomer is a noun and has the following properties:
lodger, boarder have the same meaning as 'roomer'
'roomer' can be a type of tenant, renter.
board, lodge, room are derivatives of 'roomer'.