The first two textbook patterns have the plural template مَفَاعِلُ, while the third normally has مَفَاعِيلُ.
Word / formMeaning / explanation
مِضْرَبٌ ← مَضَارِبُmafāʿil.
مِكْنَسَةٌ ← مَكَانِسُmafāʿil.
مِفْتَاحٌ ← مَفَاتِيحُmafāʿīl.
مِقْرَاضٌ ← مَقَارِيضُmafāʿīl.
The visible yāʾ in the longer plural template helps distinguish the two broken-plural formations.
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Ism al-Ālah: Definition, Three Patterns, Paradigms and Formation
The first two textbook patterns have the plural template مَفَاعِلُ, while the third normally has مَفَاعِيلُ.
Word / formMeaning / explanation
مِضْرَبٌ ← مَضَارِبُmafāʿil.
مِكْنَسَةٌ ← مَكَانِسُmafāʿil.
مِفْتَاحٌ ← مَفَاتِيحُmafāʿīl.
مِقْرَاضٌ ← مَقَارِيضُmafāʿīl.
The visible yāʾ in the longer plural template helps distinguish the two broken-plural formations.