وَٱلسَّـٰبِحَـٰتِ سَبْحًا ۝٣ فَٱلسَّـٰبِقَـٰتِ سَبْقًا ۝٤ فَٱلْمُدَبِّرَٰتِ أَمْرًا ۝٥ Which word is an object rather than a cognate accusative?

Surah An-Nazi'at — Part 1