(the bare triliteral is not used)Form II (tafʿīl) اَخَّرَ يُؤَخِّرُ تَاْخِيْرًاakhkhara yuʾakhkhiru tākhīran: to put back, to defer. ﴿وَلٰكِنْ يُّؤَخِّرُهُمْ اِلٰٓى اَجَلٍ مُّسَمًّي﴾ (An-Naḥl 16:61)
Form V (tafaʿʿul) تَاَخَّرَ يَتَاَخَّرُ تَاَخُّرًاtaʾakhkhara yataʾakhkharu taʾakhkhuran: to stay behind. ﴿لِمَنْ شَآءَ مِنْكُمْ اَنْ يَّتَقَدَّمَ اَوْ يَتَاَخَّرَ﴾ (Al-Muddaththir 74:37)
Form X (istifʿāl) اِسْتَاْخَرَ يَسْتَاْخِرُ اِسْتِئْخَارًاistākhara yastākhiru istiʾkhāran: to be behind, to come later. ﴿لَا يَسْتَاْخِرُوْنَ سَاعَةً﴾ (Al-Aʿrāf 7:34)
آخِرٌākhir (on the pattern of fāʿil): one who comes after, that is, the last. ﴿هُوَ الْاَوَّلُ وَالْاٰخِرُ﴾ (Al-Ḥadīd 57:3)
آخَرُākharu, feminine اُخْرٰىukhrā, plural اُخَرُukharu (in place of اُخَرٌukhar): an elative (ism tafḍīl), one who comes behind another, that is, after him, in other words the other. ﴿فَعِدَّةٌ مِّنْ اَيَّامٍ اُخَرَ﴾ (Al-Baqarah 2:184); ﴿وَلَا تَزِرُ وَازِرَةٌ وِّزْرَ اُخْرٰى﴾ (Al-Anʿām 6:164)
آخِرَةٌākhirah: the opposite of this world, that which comes after this world. ﴿وَبِالْاٰخِرَةِ هُمْ يُوْقِنُوْنَ﴾ (Al-Baqarah 2:4)