This is the 12697th most frequent Russian word.
коррупцию
Corruption: dishonest or fraudulent conduct by those in power, typically involving bribery.
The word 'коррупцией' is used in its instrumental case form as part of the prepositional phrase 'бороться с коррупцией', indicating the context of combating this social issue.
Мы должны бороться с коррупцией во всех формах.
We must fight corruption in all its forms.
Here, 'Коррупцию' is in the accusative case as the direct object of the verb 'называют', establishing it as the focus of the sentence.
Коррупцию часто называют одной из самых серьезных проблем общества.
Corruption is often described as one of the most serious societal issues.
In this example, 'коррупции' is in the genitive case, reflecting the context of prevention action directed towards corruption.