Difference between Allahu, Allaha and Allahi.
Difference between Allahu, Allaha and Allahi.
The difference between Allāhu, Allāha, and Allāhi lies in Arabic grammatical case endings — specifically nominative, accusative, and genitive cases. These are called iʿrāb (الإعراب) in Arabic grammar and are marked by different vowel endings (called ḥarakāt) on the word.
✅ 1. اللَّهُ (Allāhu) — Nominative Case (رفع / Rafʿ)
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Usage: When "Allah" is the subject of a sentence (i.e., the doer of the action).
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Ending: ُ (ḍammah)
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Example:
اللَّهُ غَفُورٌ رَّحِيمٌ
Allāhu Ghafoorun Raḥeem
Allah is Forgiving and Merciful. -
Here, "Allāhu" is the subject (مبتدأ).
✅ 2. اللَّهَ (Allāha) — Accusative Case (نصب / Naṣb)
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Usage: When "Allah" is the object of the verb (i.e., the one whom the action is done to).
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Ending: َ (fatḥah)
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Example:
أَعْبُدُ اللَّهَ
Aʿbudu Allāha
I worship Allah. -
"Allāha" is the object of the verb "worship" (مفعول به).
✅ 3. اللَّهِ (Allāhi) — Genitive Case (جر / Jarr)
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Usage: When "Allah" comes after a preposition or is part of an iḍāfah (construct phrase).
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Ending: ِ (kasrah)
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Example 1 (preposition):
بِاللَّهِ
bi-Allāhi
By Allah
("bi" is a preposition meaning "by / with / in") -
Example 2 (construct phrase):
رَسُولُ اللَّهِ
Rasūlu Allāhi
Messenger of Allah -
In both cases, "Allāhi" is in the genitive case.
🧠 Summary Table:
| Form | Case | Arabic Name | Role in Sentence | Example |
|---|---|---|---|---|
| Allāhu | Nominative | Rafʿ | Subject of verb/sentence | اللَّهُ رَبِّي (Allah is my Lord) |
| Allāha | Accusative | Naṣb | Object of verb | أَعْبُدُ اللَّهَ (I worship Allah) |
| Allāhi | Genitive | Jarr | After a preposition or iḍāfah | رَسُولُ اللَّهِ (Messenger of Allah) |
💡 Bonus Tip:
In Qur’anic Arabic, these endings are often not written with vowels in the Uthmani script, but are understood through grammar. In modern written Arabic, diacritics are usually omitted except in teaching texts.
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