はき破棄haki
1.

The act of tearing up and discarding documents or materials deemed unnecessary or irrelevant.

2.

A unilateral decision to break a promise or contract, rendering it null and void.

3.

The process by which a higher court cancels or revokes a judgment made by a lower court.

Example:

これらの書類に関しては破棄することが一番いいと思う。

こんやくはき婚約破棄kon'yakuhaki
1.

An act of ending a mutual agreement to marry, often involving emotional distress for those involved.

2.

The formal cancellation of a promise to enter into marriage, typically necessitating legal or social considerations.

3.

A situation in which one party withdraws their commitment to marry, potentially impacting relationships with families and friends.

Example:

「結婚したんじゃなかったのかよ?」「あぁ、別れちゃった。婚約破棄」