Tha is the fourth letter of the Arabic alphabet.
It is written like this:
ث
Tha keeps the boat family going. Same base as Ba and Ta. This time you get three dots above.
Learn the soft th sound (as in think). Spot the three dots. Practise tha thi thu. That is today’s job.
What Does Tha Look Like?
Tha is the boat shape with three dots above.
Three is the whole identity. Two dots would be Ta. One under would be Ba. Do not skip the count.
In small print, three dots can blur into a smear. Zoom or rewrite the letter until you can still see three separate marks.
ث
Play it once and look at ث. Play it again. Say the sound while you are still looking at the letter.
How Tha Sounds
Tha makes the soft th sound in English think or three.
Put the tip of the tongue between the teeth or lightly against the edge of the upper teeth. Blow air. Keep the voice soft and voiceless for this beginner target.
Do not use the voiced th in English this. That voiced sound is closer to Dhal (ذ), which comes later. Tha here is the think-sound.
Say th (think). Pause. Look at ث. Say it again.
The Trap: Boat Dots Plus Th vs Dh
First trap: the boat look-alikes.
ب = Ba = one below
ت = Ta = two above
ث = Tha = three above
ب ت ث
Second trap: English “th” covers two Arabic letters. Tha (ث) is closer to think. Dhal (ذ) is closer to this. Different shapes. Different lessons. Do not collapse them into one English th.
If you catch yourself saying “the” while pointing at ث, stop and switch to think.
Does Tha Connect?
Yes. Tha joins to the letter after it and to the letter before it when those letters also connect.
Tha joins like Ba and Ta. Use the three dots as your anchor when the joined form looks tight.
Tha at the Start, Middle, and End
Isolated (standing alone): ث
Use this form when you practise the letter by itself.
At the start (joins left): ثـ
The letter opens to the left so the next letter can attach.
In the middle (joins both sides): ـثـ
Tha sits between other letters. It can look shorter. The identity mark stays.
At the end (joins from the right): ـث
Tha finishes the connected group. Keep watching for the same identity mark.
Learn the shapes. Then train your eye to find Tha wherever it sits in a word.
How to Write Tha (Right to Left)
Arabic is written from right to left. For Tha:
1. Draw the boat shape.
2. Add three dots above.
3. Leave a left join if the next letter connects.
Write ث five times. After each one, say “three above” and the sound th.
Tha with Short Vowels
Small marks sit above or below the letter and tell you which short vowel to say. A beginner copy of the Quran usually prints them, which is why they matter here.
The three you meet first are the short a, the short i, and the short u. Tha uses the same marks on this consonant.
Tha with Fatha
ثَ
Sound: tha (short a).
Look at ثَ. Say tha. Pause. Say it again.
Tha with Kasra
ثِ
Sound: thi (short i).
Look at ثِ. Say thi.
Tha with Damma
ثُ
Sound: thu (short u).
Look at ثُ. Say thu.
Tha with Sukoon
ثْ
Sukoon means no vowel after Tha. Say the plain soft th and stop.
You will meet this mark more often once letters join into syllables. For now, know that it takes the vowel away after Tha.
Quick Sound Drill
Read these slowly. Listen first when audio is there. Then repeat.
ثَ tha
Want the letters in order?
This article sits on the same path as the course. There you hear the sound, try it, and come back the next day.
See the courseثِ thi
ثُ thu
Then all three:
ثَ ، ثِ ، ثُ
tha, thi, thu
Read them once more with your eyes on ثَ ثِ ثُ.
A Word You Can Spot
ثَلَاثَة relates to the idea of three. You may also spot Tha in other early vocabulary later.
For eye practice today, write ثَ and find any Tha in a beginner line. Confirm three dots. Say tha.
Do not wait until you can read the whole word. Hunt the letter first.
Eye Practice: Count to Three
Open a large-print Arabic line. Search only for boat letters.
When you land on a boat shape, freeze and count dots:
1 below → Ba
2 above → Ta
3 above → Tha
Say the name before you say the sound. That order cuts mix-ups.
Once you label it Tha, check the vowel mark and say tha, thi, or thu.
Breath Placement for Tha
Soft Tha needs air between tongue and teeth. If you trap the sound behind closed teeth, it turns into a hissy s. Open a tiny gap. Blow. Keep voice off.
Hold a finger a few centimetres in front of your lips. You should feel air on Tha. If you feel almost nothing, you are likely closing too much.
Think vs This Drill
Say English think. That quality is your Tha target.
Say English this. Put that quality on a mental shelf labelled Dhal. Do not use it for ث.
Alternate five times: think-th while pointing at ث, this-th while pointing at ذ (even if Dhal is still new). The hand point keeps the brain honest.
Print Size Problem
Three dots shrink on phone screens. If you misread Tha as Ta twice in a row, increase font size or use a beginner sheet for that day. Ego reading at tiny size teaches bad guesses.
Pair Writing
Write columns: ت / ث / ت / ث. Say the name before the sound. Two minutes. Stop.
Then write a single line of only ث five times and refuse to let any letter lose a third dot.
Air-Only Warmup
Blow think-th with no vowel ten times while looking at ث. Then add fatha: ثَ. Separating air shape from vowel colour reduces muddy attempts.
Boat Family Exam
Write ب ت ث in random order from memory. Check dots. Fix errors before any Quran page. One clean family exam beats three rushed pages.
Why Tha Still Matters When It Feels Rare
Even if you see Tha less than Ba, one wrong Tha can change a word. Rare letters deserve the same dot discipline as common ones.
Phone-Screen Rule
If three dots blur, zoom. Do not “assume Tha” from context yet. Beginners do not have reliable context. They have dots.
End-of-Day Contrast
Point at ث and ذ once before you close your notebook. Think-th vs this-th. Ten seconds. Keep the shelf labels intact overnight.
Why Tha Matters for Quran Reading
Tha is less common than Ba or Ta in some beginner lists, but it still appears in Quran reading and you cannot guess it from English spelling habits.
The real value of this lesson is finishing the boat family. Once ب ت ث are automatic, a whole class of reading errors drops.
We teach from zero Arabic. Clear letters first. Words later. Tha closes the first look-alike set.
Common Mistakes with Tha
1. Reading Tha as Ta
Two dots vs three. Count.
2. Using the “this” sound
Keep Tha on think. Save voiced th for Dhal.
3. Sloppy dots in handwriting
Three dots that look like two will confuse you later when you read your own notes.
4. Skipping Tha because it feels rare
Rare still counts. Learn it now while the boat pattern is fresh.
5. Racing the joined form
In the middle of a word the boat shrinks. The dots still decide.
How to Practise for Two Minutes
1. Look at ث and say the think-th.
2. Say “three dots above.”
3. Drill ثَ ثِ ثُ three times.
4. Name ب ت ث in order.
5. Write ث five times.
6. Do a one-line letter hunt in your mushaf or course sheet.
Where This Fits in Your Path
You came from Ta. Tha is next in the alphabet line. After Tha comes Jeem (ج). Later you spend more time on the short vowels, the stop mark, joining, and short words from the Quran.
The full order, from the first letter to short chapters, is in how to learn to read the Quran. If you want the audio and the steps set for you, the interactive 30-day course starts from no Arabic at all.
What to Remember
Tha is written ث.
Sound: soft th as in think.
Mark that matters: three dots above.
With vowels: ثَ tha, ثِ thi, ثُ thu.
Watch the look-alikes: ب ت ث.
Next letter after this: Jeem (ج).
FAQs
What is Tha in Arabic?
Tha is the fourth Arabic letter. It is written ث and sounds like th in think.
How do I tell Tha from Ta?
Tha has three dots above. Ta has two.
Does Tha join other letters?
Yes. It has start, middle, and end forms.
Why do my three dots look messy?
Slow down. Place them clearly above the boat so future-you can read them.
