The second masculine plural pattern is أَفَاعِلُ. It is a broken plural: the internal pattern changes instead of simply adding -ūna.
Word / formMeaning / explanation
أَكْبَرُ ← أَكَابِرُgreater or eminent people.
أَصْغَرُ ← أَصَاغِرُlesser or junior people.
أَضْرَبُ ← أَضَارِبُa paradigmatic broken plural for people stronger in striking.
The source exercise specifically includes أَضَارِبُ. Its morphology is the afāʿil pattern, not the -ūna plural.
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Ism al-Tafḍīl: Meaning, Eight Forms, Patterns and Use
The second masculine plural pattern is أَفَاعِلُ. It is a broken plural: the internal pattern changes instead of simply adding -ūna.
Word / formMeaning / explanation
أَكْبَرُ ← أَكَابِرُgreater or eminent people.
أَصْغَرُ ← أَصَاغِرُlesser or junior people.
أَضْرَبُ ← أَضَارِبُa paradigmatic broken plural for people stronger in striking.
The source exercise specifically includes أَضَارِبُ. Its morphology is the afāʿil pattern, not the -ūna plural.