This is the 11627th most frequent Turkish word.
felaketleri
"Felaketleri" means "disasters" or "calamities" in English.
In this sentence, 'felaketleri' is the accusative plural form of 'felaket' (disaster), referring to disasters as the direct object.
Felaketleri önlemek için gerekli önlemleri almalıyız.
We must take the necessary precautions to prevent disasters.
Here, 'felaketleri' is used similarly, indicating the plural disasters as the object within the context of inability to prevent some.
Bazı felaketleri tamamen engellemek mümkün olmayabilir.
It may not be possible to completely prevent some disasters.
In this context, 'felaketleri' again serves as the direct object in the sentence, focusing on the act of defining disasters.