• 誤解ごかい — misunderstanding
• 誤差ごさ — margin of error
• 誤報ごほう — false report
• 誤算ごさん — miscalculation; misjudgment
• 誤診ごしん — wrong diagnosis
• 誤魔化ごまかす — to deceive; to cheat; to cover up

誤 combines 言 (speech) with the phonetic 呉 (ゴ), suggesting errors in words or delivery. It extends to mistakes in judgment, action, or information.

Common in formal/technical terms for errors or misunderstandings (e.g., 誤差, 誤報).

道みちを 誤あやまってしまいました。
I took the wrong road.

誤解ごかいが 生うまれてしまいました。
A misunderstanding occurred.