This is the 2158th most frequent Japanese word.
暗殺
Assassination.
暗殺 here refers to the act of treacherous killing of a leader or prominent figure.
その指導者は暗殺された。
The leader was assassinated.
暗殺 in this sentence emphasizes the act of planning or attempting an assassination, highlighting its peril.
暗殺を企てるのは危険すぎる。
Planning an assassination is far too dangerous.
暗殺者 refers to an individual who carries out assassinations, related to 暗殺.