過(あやま)ち

あやまち
noun
mistake; error; wrongdoing
literary
1. mistake; error; fault; wrongdoing
A mistake or transgression, often with moral or serious implications. Carries a heavier, more literary tone than simply 間違い and implies personal responsibility.
Don't repeat the same mistake.
若(わか)い頃(ころ)の過(あやま)ちを悔(く)やんでいる。
I regret the mistakes I made when I was young.
Many people are calling for the mistake of war to never be repeated.

Usage

過(あやま)ち has a more serious and literary tone than 間違(まちが)い (mistake). It implies moral weight — a failing, a transgression, or a grave error — rather than a simple factual mistake.

Common collocations

Similar words

間違(まちが)い is neutral and covers any kind of mistake. 過(あやま)ち implies moral responsibility and is often used in reflective, regretful, or admonitory contexts.