Synonyms for Rooming house:

n.

apartment building, apartment, chateau, chalet, cabin, billet, adobe, bungalow. accommodations (noun)
digs, hotel, apartment, quarters, motel.
home (noun)
bungalow, cabin, boarding house, resort, dormitory.
hotel (noun)
motel, boarding house, resort, inn, roadhouse, motor court, hospice, dormitory, hostel, hotel.
lodging (noun)
chambers, home.
lodging house (noun)
chambers, family hotel, digs, home, quarters, boardinghouse, bunkhouse.
rooming house (noun)
boardinghouse, lodging house.

Other synonyms:

Other relevant words:
boardinghouse, lodging house, home.