The Dutch word for building is
gebouw

Dutch Definition

building
1. gebouw

gebouw	©
1. n-n. building, structure, construction
De gebouwen van een stad. - The buildings of a city.

bouw
1. n-m. construction of buildings
De bouw duurde vijf jaar. - The construction (of a building) lasted five years.
Zij werkt in de bouw. - She works in construction.
2. n-m. construction of contraptions, such as machines
3. n-m. built, structural design
4. n-f. (historical) A unit of measure for area on Java, equivalent to about 0.7 hectare; a portion of agricultural land of this size.
5. v. first-person singular present indicative of bouwen
6. v. imperative of bouwen