Infiʿāl: Yielding, Joining and Withdrawal
نوع / بابPastPresentParticipleCommand / lāmProhibition
الانقياداِنْقَادَيَنْقَادُمُنْقَادٌاِنْقَدْلَا تَنْقَدْ
الانضماماِنْضَمَّيَنْضَمُّمُنْضَمٌّاِنْضَمَّلَا تَنْضَمَّ
الانزواءاِنْزَوَىيَنْزَوِيمُنْزَوٍاِنْزَوِلَا تَنْزَوِ
اِنْقَادَ، اِنْضَمَّ، اِنْزَوَى show three different radical environments: hollow, doubled and final-weak. Sharing the same augmented pattern does not make their actual surface changes identical.