• أَكْمَام
• أَكْمَامهَا

Appears 2 times in the Quran.

1. 41:47 إِلَيْهِ يُرَدُّ عِلْمُ ٱلسَّاعَةِ وَمَا تَخْرُجُ مِن ثَمَرَٰتٍ مِّنْ أَكْمَامِهَا وَمَا تَحْمِلُ مِنْ أُنثَىٰ وَلَا تَضَعُ إِلَّا بِعِلْمِهِۦ وَيَوْمَ يُنَادِيهِمْ أَيْنَ شُرَكَآءِى قَالُوٓا۟ ءَاذَنَّٰكَ مَا مِنَّا مِن شَهِيدٍ

   To Him is referred the knowledge of the hour, and there come not forth any of the fruits from their coverings, nor does a female bear, nor does she give birth, but with His knowledge; and on the day when He shall call out to them, Where are (those whom you called) My associates? They shall say: We declare to Thee, none of us is a witness.
   

2. 55:11 فِيهَا فَٰكِهَةٌ وَٱلنَّخْلُ ذَاتُ ٱلْأَكْمَامِ

   Therein is fruit and palms having sheathed clusters,