Both غَاسِقٍ إِذَا and حَاسِدٍ إِذَا have kasr tanwīn followed by hamzah at the next word’s start. In connected recitation they require iẓhār ḥalqī.
Contrast مِنْ شَرِّ, where shīn triggers ikhfāʾ. The nūn/tanwīn category alone does not settle the rule: inspect the immediately following consonant.
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Al-Falaq: tanwīn meeting hamzah
Applied Tajwīd Diagnostics: Four Short Sūrahs
Both غَاسِقٍ إِذَا and حَاسِدٍ إِذَا have kasr tanwīn followed by hamzah at the next word’s start. In connected recitation they require iẓhār ḥalqī.
Contrast مِنْ شَرِّ, where shīn triggers ikhfāʾ. The nūn/tanwīn category alone does not settle the rule: inspect the immediately following consonant.