同一個詞語裏面其中一隻字同音或者結構相似,但放喺詞語裏面唔啱嘅字(量詞:個) (a mismatched character in a word, because either the 'correct' character in the word is a homophone or looks similar)
名詞用例
「以經」個「以」字係「已經」個「已」字嘅別字。
ji5 ging1 go3 ji5 zi6 hai6 ji5 ging1 go3 ji5 zi6 ge3 bit6 zi6.
The '以' of '以經' is a mismatched character of '已' in '已經'.