---
title: "Rules of Noon Sakinah and Tanween: The Complete Guide"
description: "Nūn Sākinah is a Nūn with no vowel, fixed in writing and speech."
url: "https://iqraairtqi.com/en/blogs/tajweed-rules-idgham-importance"
date: "2026-08-23T16:32:04+00:00"
---

# Rules of Noon Sakinah and Tanween: The Complete Guide

<div class="whiteboard-box">- 📗 **Nūn Sākinah** is a Nūn with no vowel, fixed in writing and speech. **Tanwīn** is an extra silent Nūn at the end of a noun, pronounced but not written, dropped when stopping.
- 4️⃣ They have **exactly four rulings**, decided by the following letter: **Iẓhār, Idghām, Iqlāb, Ikhfāʾ**.
- 🔤 Iẓhār: 6 throat letters · Idghām: the 6 of *yarmalūn* · Iqlāb: one letter (Bāʾ) · Ikhfāʾ: the remaining 15.
- 🎯 Mastering this chapter is the foundation of correct recitation, and it is the first topic taught in Tuḥfat al-Aṭfāl.

</div>The Difference Between Nūn Sākinah and Tanwīn
---------------------------------------------

**Nūn Sākinah** is a vowel-less Nūn, e.g. *min*, *anʿamta*. It is fixed in every state: in speech and writing, in continuation and when stopping.

**Tanwīn** is an extra silent Nūn at the end of a noun; it is pronounced but not written, present in continuation and dropped when stopping. Its sign is a doubled vowel. So *ʿalīmun* is pronounced “ʿalīmun” in continuation and “ʿalīm” when stopping.

The four rulings apply equally to both; what matters is the pronunciation, not the spelling.

The Basis From Tuḥfat al-Aṭfāl
------------------------------

Shaykh Sulaymān al-Jamzūrī opens the chapter:

> “For the Nūn if it has sukūn, and for the Tanwīn — there are four rulings, so take my clarification.”

Meaning: when a silent Nūn or Tanwīn occurs, look at the letter after it; the ruling comes from it.

The Four Rulings in a Table
---------------------------

<table><tr><th>Ruling</th><th>Its letters</th><th>Meaning</th><th>Example</th></tr><tr><td>Iẓhār</td><td>ء هـ ع ح غ خ (throat)</td><td>pronounce the Nūn clearly, no added ghunnah</td><td>*man āmana*</td></tr><tr><td>Idghām</td><td>ي ر م ل و ن (yarmalūn)</td><td>merge the Nūn into the following letter</td><td>*min rabbihim*</td></tr><tr><td>Iqlāb</td><td>Bāʾ only</td><td>turn the Nūn into a hidden Mīm with ghunnah</td><td>*min baʿd*</td></tr><tr><td>Ikhfāʾ</td><td>the remaining 15</td><td>pronounce the Nūn between Iẓhār and Idghām, with ghunnah</td><td>*min qablu*</td></tr></table>

How to Master This Chapter
--------------------------

Memorising the letters is not enough; you need sound practice with a teacher who corrects the length of the ghunnah and the articulation point of the Nūn. Each ruling is covered in its own article:

- [Iẓhār Ḥalqī: its six letters](/en/blogs/rules-of-tajweed-importance-of-izhar)
- [Idghām with and without ghunnah](/en/blogs/meaning-and-rules-of-idgham-in-tajweed)
- [Iqlāb: the single-letter rule](/en/blogs/rules-of-tajweed-the-rule-of-ikhlaab)
- [Ikhfāʾ Ḥaqīqī: 15 letters and its levels](/en/blogs/tajweed-rules-ikhfaa)

<div class="faq-section">#### Frequently Asked Questions

<div class="faq-item">**Q: Do the rulings apply if the Nūn is voweled?**A: No. This chapter is only for the silent Nūn and Tanwīn. A voweled Nūn is pronounced with its vowel and has no special ruling.

</div><div class="faq-item">**Q: Does Tanwīn have the same rulings as Nūn Sākinah?**A: Yes, exactly, because Tanwīn is in reality a silent Nūn. The difference is only in writing, not pronunciation.

</div><div class="faq-item">**Q: How long is the ghunnah in these rulings?**A: In Idghām with ghunnah, Iqlāb and Ikhfāʾ the ghunnah is two counts. In Iẓhār the Nūn is clear with its short inherent ghunnah and nothing added.

</div></div>You can learn this step by step in the classes of our [online Quran academy](/en/online-quran-academy) with a specialised teacher.

<div style="text-align:center;margin:35px 0;padding:24px;background:#f0f7f4;border-radius:16px;">Ready to start with a specialist teacher?

[Book a free trial lesson on WhatsApp](https://wa.me/97466657295)</div>