館
館 – Guan3 – House, Establishment
餐廳 – Can1 Ting1 – Meal Hall — Restaurant
餐館 – Can1 Guan3 – Meal House — Restaurant
There’s actually even more ways to say restaurant and I’m not sure what the different connotations are. But the main point of this is…
圖書館 – Tu2 Shu1 Guan3 – Picture Book House — Library