This is the 10247th most frequent Japanese word.
離婚
Divorce.
Here, '離婚' is used as a noun to refer to the concept of divorce in general, framed as a significant life decision.
離婚は人生の大きな決断です。
Divorce is a major decision in life.
In this sentence, '離婚' (rikon) is used as a noun that represents the act of divorce, and it is combined with the verb 'しました' (shimashita) to indicate the action of getting divorced.
彼女は昨年離婚しました。
She got divorced last year.
In this example, '離婚' emphasizes the topic of divorce as something being contemplated or causing concern, combined with 'について' (ni tsuite) to indicate the subject being thought about.