The characteristics of Arabic letters, known in Tajweed as sifaat al-huroof, explain why two letters from nearly the same place can sound completely different.
Once you understand them, your recitation becomes clearer and more precise.
This guide covers what the sifaat are, the qualities that have opposites, the qualities without opposites, tables for every group, practical drills, common mistakes, a study plan, and a detailed FAQ.
What Are the Characteristics of Arabic Letters?
Every Arabic letter has two things: a makhraj (articulation point) and a set of sifaat (characteristics).
The makhraj tells you where the letter comes from, while the sifaat tell you how it is produced.
Think of the makhraj as the address of a letter and the sifaat as its personality. Two letters can share a similar address but have very different personalities.
For example, ت and ط are produced from a similar area of the tongue. Their difference in heaviness comes from their sifaat, not their makhraj.
Why the Sifaat Matter
- They separate letters that share or nearly share an articulation point.
- They make each letter sound complete and correct.
- They protect the words of the Quran from being changed into other words.
- They make recitation in Salah more accurate and beautiful.
Learning the sifaat is a central part of Tajweed Quran classes. It sits right after learning the makharij in most courses.
Who This Guide Is For
- Students who already read Arabic and want to refine their Tajweed.
- Learners who have studied makharij and want the next step.
- Teachers and parents who want a clear reference table.
- Anyone told their letters sound “close but not quite right.”
If you are still learning letter shapes, start with our guide to the Arabic alphabet or with Noorani Qaida lessons.
The Two Groups of Sifaat
Scholars of Tajweed divide the characteristics into two main groups.
The most widely taught system, following Imam Ibn al-Jazari’s poem al-Muqaddimah, lists seventeen characteristics.
| Group | Description | Count |
|---|---|---|
| Sifaat with opposites | Pairs where every letter has one of the two | 5 pairs (10 qualities) |
| Sifaat without opposites | Qualities found only in certain letters | 7 qualities |
Sifaat With Opposites
Every Arabic letter has exactly one quality from each of these five pairs. That means every letter has at least five characteristics.
1. Hams (whisper) and Jahr (audibility)
Hams means the flow of breath continues when the letter is pronounced. Its letters are gathered in فَحَثَّهُ شَخْصٌ سَكَتَ: ف ح ث ه ش خ ص س ك ت.
Jahr means the breath is held back, producing a clear, voiced sound. All the remaining letters have jahr.
A common drill is to say كْ and تْ with sukoon. You should hear a small release of breath after each one.
2. Shiddah (strength), Tawassut (in-between) and Rakhawah (softness)
Shiddah means the sound is held completely. Its letters are in أَجِدْ قَطٍ بَكَتْ: أ ج د ق ط ب ك ت.
Tawassut means the sound is partly held and partly flows. Its letters are in لِنْ عُمَر: ل ن ع م ر.
Rakhawah means the sound flows freely. All the remaining letters have rakhawah.
Tawassut is often taught as a middle stage between the two, so this pair is sometimes counted as three levels.
3. Istiala (elevation) and Istifal (lowering)
Istiala means the back of the tongue rises toward the palate, making the letter heavy. Its letters are خُصَّ ضَغْطٍ قِظْ: خ ص ض غ ط ق ظ.
Istifal means the tongue stays low, making the letter light. All other letters have istifal.
This pair is the basis of heavy and light letters. Read our detailed guide to tafkheem and tarqeeq for levels and examples.
4. Itbaq (closing) and Infitah (opening)
Itbaq means the tongue presses and closes against the palate. Its letters are ص ض ط ظ.
Infitah means there is space between the tongue and palate. All other letters have infitah.
5. Idhlaq (fluency) and Ismat (restraint)
Idhlaq letters are pronounced easily from the tip of the tongue or lips. They are gathered in فِرَّ مِنْ لُبٍّ: ف ر م ن ل ب.
Ismat letters are all the others. This pair is mostly relevant to Arabic word structure rather than to how you physically recite.
| Pair | Quality A and its letters | Quality B |
|---|---|---|
| Hams / Jahr | Hams: فحثه شخص سكت | Jahr: all other letters |
| Shiddah / Tawassut / Rakhawah | Shiddah: أجد قط بكت; Tawassut: لن عمر | Rakhawah: all other letters |
| Istiala / Istifal | Istiala: خص ضغط قظ | Istifal: all other letters |
| Itbaq / Infitah | Itbaq: ص ض ط ظ | Infitah: all other letters |
| Idhlaq / Ismat | Idhlaq: فر من لب | Ismat: all other letters |
Sifaat Without Opposites
These qualities appear only in certain letters. They add special features to those letters.
| Quality | Meaning | Letters |
|---|---|---|
| Safeer (whistling) | A sharp, whistle-like sound | ص ز س |
| Qalqalah (echo) | A bouncing release on sukoon | ق ط ب ج د (قطب جد) |
| Leen (softness) | Easy, soft pronunciation | و and ي with sukoon after fatha |
| Inhiraf (deviation) | The sound deviates from its path | ل ر |
| Takreer (repetition) | Tongue tends to vibrate | ر |
| Tafashshi (spreading) | Air spreads in the mouth | ش |
| Istitalah (elongation) | Sound extends along the side of the tongue | ض |
Strong and Weak Letters
Teachers often classify letters as strong or weak based on how many strong qualities they have. Strong qualities include jahr, shiddah, istiala, itbaq and qalqalah.
Letters such as ط and ق combine several strong qualities and are among the strongest. Letters such as ه and ف are among the weakest because they carry soft qualities.
Knowing a letter’s strength helps you understand why it sounds powerful or gentle. It also helps with rules where one letter merges into another.
Worked Examples: Reading the Profile of a Letter
Listing all the qualities of one letter is a great exercise. Here are four examples.
| Letter | Qualities |
|---|---|
| ط | Jahr, shiddah, istiala, itbaq, ismat, qalqalah |
| ص | Hams, rakhawah, istiala, itbaq, ismat, safeer |
| ر | Jahr, tawassut, istifal, infitah, idhlaq, inhiraf, takreer |
| ش | Hams, rakhawah, istifal, infitah, ismat, tafashshi |
Compare ط with ت: both have shiddah, but ت has hams, istifal and infitah. These differences explain why ت sounds light and breathy, while ط sounds heavy and full.
Step-by-Step: How to Study the Sifaat
Step 1: Review the makharij
Make sure you know where each letter comes from. Sifaat build on correct articulation points.
Step 2: Memorise the key phrases
Learn the phrases فحثه شخص سكت, أجد قط بكت, لن عمر, خص ضغط قظ and قطب جد. They unlock most of the tables.
Step 3: Learn one pair per week
Focus on one pair, drill its letters, and find them in Surah Al-Fatihah and short surahs.
Step 4: Practise contrasting letters
Drill pairs like ت / ط, س / ص, ذ / ظ, د / ض, and ك / ق. Listen for the difference the sifaat make.
Step 5: Build letter profiles
Write out the full qualities of ten letters from memory. This turns theory into lasting knowledge.
Step 6: Recite to a teacher
A teacher will notice if a quality is missing or exaggerated. Live correction is the fastest path to precision.
Applying the Sifaat in Surah Al-Fatihah
Surah Al-Fatihah is recited in every rak’ah, so it is the best place to apply what you learn. Here are a few points to listen for.
In الْحَمْدُ, the ح has hams, so a soft breath flows with it. The د with damma has shiddah and jahr, so it is strong and voiced.
In الصِّرَاطَ, the ص has safeer, istiala and itbaq, while the ط has shiddah, istiala and itbaq. Both should sound full and heavy, with no lip rounding.
In الْمُسْتَقِيمَ, the س has a gentle whistle and the ت with fatha is light. The ق that follows is heavy even with kasra.
In وَلَا الضَّالِّينَ, the ض needs its istitalah along the side of the tongue. This letter is one of the most commonly mispronounced, so give it extra attention.
Tips for Teachers and Parents
If you teach sifaat to others, keep explanations short and practical. Demonstrate first, then explain the term.
- Use one letter pair per lesson rather than a whole table.
- Ask students to place a hand near the mouth to feel the breath of hams letters.
- Use a mirror so students can see lip and jaw movement.
- Repeat short words more than long verses at the start.
Common Mistakes
| Mistake | Why it happens | Fix |
|---|---|---|
| No breath on ت and ك with sukoon | Hams quality ignored | Allow a small release of air |
| Rolling the raa several times | Overdoing takreer | Aim for a single light tap |
| Weak qalqalah on ق and د | Quality not applied | Add a light bounce on sukoon |
| Making ض sound like د | Missing istitalah | Use the side of the tongue |
| Exaggerated whistle on س | Overdoing safeer | Keep it natural and clear |
| Heavy light letters | Confusing istifal letters | Relax the tongue low |
A Four-Week Study Plan
| Week | Topic | Practice |
|---|---|---|
| 1 | Hams and jahr, shiddah and rakhawah | Sukoon drills, 15 minutes daily |
| 2 | Istiala, istifal, itbaq, infitah | Heavy and light pairs |
| 3 | Qualities without opposites | Qalqalah, safeer, raa drills |
| 4 | Letter profiles and review | Recite Al-Fatihah and Juz Amma |
How Sifaat Connect to Other Tajweed Topics
Sifaat are closely linked to the wider Tajweed rules. For a full learning path, see our guide on how to learn Quran with Tajweed.
They also matter for memorisers. Students in a Hifz program who learn sifaat early memorise each word with the correct sound.
Understanding the words you recite adds another layer. Our guide to Quranic Arabic for worship can help you connect sound with meaning.
Learning the Sifaat Online
Online one-to-one lessons are ideal for sifaat because the teacher listens closely to each letter. You can repeat a letter many times until it is correct.
Learn more about how online Quran classes work at Quran Coaching, or read about our teaching approach.
Frequently Asked Questions
How many characteristics of Arabic letters are there?
The widely taught system based on Ibn al-Jazari’s al-Muqaddimah lists seventeen. Some scholars mention more or group them differently.
What is the difference between makhraj and sifah?
The makhraj is where a letter is pronounced. The sifah is how it is pronounced, such as with breath, heaviness, or an echo.
Does every letter have qualities with opposites?
Yes. Every letter has one quality from each of the five opposite pairs, so each letter has at least five characteristics.
Which letters have qalqalah?
ق ط ب ج د, collected in the phrase قطب جد. The echo applies when they carry sukoon.
Why does the raa have takreer if we should not roll it?
Takreer describes the raa’s tendency to vibrate. Reciters learn it to control and limit that vibration, not to exaggerate it.
Are the characteristics needed for daily recitation?
Yes, because they shape how each letter sounds. Even if you do not memorise the terms, you apply them when reciting correctly.
What is the strongest letter?
Many teachers point to ط as one of the strongest because it combines jahr, shiddah, istiala, itbaq and qalqalah.
Can I learn sifaat before makharij?
It is better to learn makharij first. Sifaat refine letters that are already produced from the correct place.
How long does it take to learn the sifaat?
Many students understand the theory within a few weeks. Applying it naturally in recitation takes longer and improves with practice.
Do children need to learn these terms?
Young children usually learn the sounds by imitation. Technical terms can come later when they study Tajweed formally.
Final Thoughts
The characteristics of Arabic letters are what give each letter its true sound. Learn the five opposite pairs, the seven special qualities, and practise with contrasting letters.
With a teacher’s guidance and daily practice, these qualities will become a natural part of your recitation.
Want a teacher to check your makharij and sifaat letter by letter? Quran Coaching offers one-to-one online Tajweed lessons for all levels.
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