違い

1. Origins, structure, and basic meaning

• Structure: 違い, read ちがい, means a difference or a lack of agreement between details.
• Basic usage: It is used for differences in a photograph's color or discrepancies between addresses on two documents.
  • 二つの写真には色合いにわずかな違いがある。

2. Common pitfalls and similar expressions

• Error judgment compared with 間違い
  • 違い means that things differ, while 間違い carries a judgment that something is wrong. Different colors in two photographs do not alone establish that either is incorrect.