ث thaa: the Arabic letter thaa
thaa (ث) is the fourth letter of the Arabic alphabet. It makes the sound th: th as in think. It joins to the letters on both sides.
The shapes of thaa
Arabic letters change shape depending on where they sit in a word. Arabic is read right to left.
thaa with vowel marks
What are fatha, kasra and damma?
Words that start with thaa


Letters that look like thaa
These share a shape with ث and differ in their dots or a small detail. Children often mix them up, so it helps to learn them side by side.
Questions about thaa
How do you pronounce the Arabic letter thaa?
thaa (ث) is the fourth letter of the Arabic alphabet. Its name is said "thaa". It makes the sound th: th as in think.
How do you write thaa in Arabic?
On its own thaa is written ث. It joins on both sides, so it has four shapes: on its own ث, at the start of a word ث, in the middle ث and at the end ث.
What is an Arabic word that starts with thaa?
ثَعْلَب (thaʿlab) means "fox" and starts with thaa. Others are ثَلَاثَة (thalaatha, three), ثَمَانِيَة (thamaaniya, eight), ثَلْج (thalj, snow).
How does thaa sound with vowel marks?
With a fatha it says tha (ثَ), with a kasra thi (ثِ) and with a damma thu (ثُ).
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