Synonyms for Tearoom:

n.

beauty parlor, book club, bookstall, barbershop, beauty salon, big-box store, antique shop, bookshop, bakeshop, bookstore. brasserie, carryout, cafe, bistro, buffet, chinese, canteen, cabaret, bar, cafeteria. diner (noun)
canteen.
restaurant (noun)
cafe.
tearoom (noun)
tea parlor, teahouse, Tea Parlour, teashop.

Other synonyms:

tea parlour
Tea Parlour.
Other relevant words:
barbershop, bakeshop, bookstore, bookshop, buffet, cafe, brasserie, chinese, bar, canteen, carryout, bistro, cafeteria, bookstall, cabaret.