不一致字

1. • inconsistent words (e.g. "through", "bough" and "rough", where "-ough" is not pronounced the same in each case)

     orthography

2. • inconsistent characters (e.g. 流 liú, 梳 shū and 毓 yù, which are pronounced differently from each other even though they all have the same notional phonetic component)

Character by character

• 不(bù)no
• 一(yī)"one" radical in Chinese characters
• 致(zhì)fine
• 字(zì)letter