Mistake 1: Every compound proper name is diptote.
Correction: iḍāfa and isnādī compounds behave differently.
Mistake 2: ʿAbd Allāh has no tanwīn, so it must be diptote.
Correction: Its lack of tanwīn results from iḍāfa; «عَبْد» still takes normal nominative, accusative, and genitive endings.
Opening interactive controls...
Diptote Causes — Compounding and Its Conditions
Mistake 1: Every compound proper name is diptote.
Correction: iḍāfa and isnādī compounds behave differently.
Mistake 2: ʿAbd Allāh has no tanwīn, so it must be diptote.
Correction: Its lack of tanwīn results from iḍāfa; «عَبْد» still takes normal nominative, accusative, and genitive endings.