This is the 10503rd most frequent Russian word.
взятку
Bribe.
In this sentence, 'взятку' refers to the act of offering a bribe, used in the accusative case.
Офицер строго предупредил, что попытка дать ему взятку – это уголовное преступление.
The officer sternly warned that attempting to offer him a bribe is a criminal offense.
Here, 'взятками' is used in the instrumental plural form, denoting actions involving bribes.
В некоторых странах борьба с взятками считается приоритетной задачей.
In some countries, combating bribery is considered a priority.
The word 'взятка' in this sentence is used in the nominative case, referring to the bribe itself as a subject.