This is the 760th most frequent Romanian word.
clădiri
"Clădiri" means "buildings" in English.
Here, the word "clădiri" is used as a plural noun to indicate multiple structures.
În oraș sunt multe clădiri vechi.
In the city, there are many old buildings.
In this usage, "clădirile" is the definite plural form, directly referring to specific buildings.
Această stradă este cunoscută pentru clădirile ei impresionante.
This street is known for its impressive buildings.
The word "clădirilor" here is used in its genitive/dative plural form, indicating possession or relation.