This is the 3525th most frequent Japanese word.
自殺
Suicide.
In this sentence, '自殺' is used to refer to the act of taking one's own life, framed as a concept that the subject contemplated.
彼は自殺を考えましたが、助けを求める決断をしました。
He considered suicide but decided to seek help.
Here, '自殺' represents the conclusion regarding the cause of a specific event, categorized as an individual's voluntary act of ending their life.
その事件は自殺と断定されました。
The case was concluded as a suicide.
In this context, '自殺' is used as a theme or idea being explored by a character, indicating a philosophical or introspective engagement with the concept.