違う

1. Origins, structure, and basic meaning

• Structure: 違う, read ちがう, joins the difference or mismatch stem 違 with the verb ending う.
• Basic usage: 色が違う means two things differ, while 答えが違う means an answer is wrong.

2. Common pitfalls and similar expressions

• Distinguishing meanings
  • A difference from a comparison target can be marked with とは違う; not every difference implies an error.