The Arabic Alphabet: 28 Letters

Modern Standard Arabic uses an alphabet of 28 base letters. Most letters represent consonants; three of them—ا، و، ي—also help write long vowels. The system becomes much easier once you stop treating every printed outline as a separate symbol: most letters belong to a small number of shape families, and each joining letter changes its outline according to where it appears in a word.

This page teaches the conventional alphabet order, letter names, basic consonantal values, and enough joining behavior to read a chart intelligently. The writing system is shared across formal, academic, and everyday Arabic writing; what changes by region is sometimes pronunciation, not the identity of the letters. The core values below follow formal contemporary MSA.

The 28 letters in order

Letter names are useful for spelling aloud, dictionary work, and discussing forms. The transliteration column gives the symbol used throughout this guide, not an English approximation. A dash in an initial or medial slot means that the letter has no form that connects onward to the following letter.

The table deliberately says that ا may be a long vowel or a carrier. The sound /ʾ/ belongs to hamza (ء), which can sit independently or on a carrier: أ، إ، ؤ، ئ. Hamza is indispensable, but conventional school alphabets do not count it as a twenty-ninth base letter. Similarly, ة (tāʾ marbūṭa) and ى (alif maqṣūra) are important written forms, not extra places in the 28-letter order.

These short words show why English spelling habits are unreliable. ث is one letter, transliterated th; خ is also one letter, transliterated kh. Conversely, ع and ح have no ordinary English equivalents, so omitting them from the romanization would hide real consonants.

Shape families: learn the differences, not 28 unrelated drawings

Arabic reuses a basic body and changes the dots. This is an economical design, not decorative variation. The most important families are ب ت ث; ج ح خ; د ذ; ر ز; س ش; ص ض; ط ظ; ع غ; and ف ق. The dots are part of the spelling: moving or deleting one can create another letter.

This pair differs only at the first letter, but ق and ك are neither the same shape nor the same sound. That distinction is lexical: losing it changes the word.

One letter, several contextual outlines

Arabic is normally cursive even in print. A dual-joining letter has an isolated, initial, medial, and final form, but these are contextual versions of one character. For ب the sequence is ب، بـ، ـبـ، ـب; for ع it is ع، عـ، ـعـ، ـع. You do not choose the form as a separate alphabet character: shaping software selects it from the neighboring letters.

Six letters—ا د ذ ر ز و—accept a connection from the letter before them but never connect onward to the letter after them. This creates an internal visual break without creating a space. The dedicated right-joining letters page explains the pattern fully.

In كتاب, ك begins on the right, ت is medial, ا receives a join, and ب stands after the break created by ا. The written word is still one unit.

The consonant skeleton and the reading layer

Ordinary Arabic text is usually unvocalized: it writes the consonant letters and long-vowel letters but leaves most short vowels unmarked. Fully vocalized educational text adds signs such as َ ِ ُ ْ ّ. Those signs clarify pronunciation; they do not replace or reorder the base letters.

The displayed target is what normal MSA prose looks like. The audio form supplies هَذَا كِتَابٌ جَدِيدْ, but stripping away its vowel signs produces exactly هذا كتاب جديد again. This two-layer arrangement matters: it lets learners see authentic spelling while the audio receives one unambiguous pronunciation. Alphabet charts that mix base letters, short-vowel marks, and romanization on one line conceal that architecture.

Specialist writing must not be confused with that ordinary display layer. Quranic editions (Quranic) can use Uthmani spellings, superscript letters, and recitation signs beyond normal contemporary prose; decorative calligraphy may reshape or stack letters (literary). Those systems still rely on Arabic letter identities, but beginners should not copy their extra signs into an ordinary MSA sentence.

Here the visible letters remain stable while the spoken layer supplies short vowels and the case ending that links بَابٌ to its adjective. At the sentence-final pause, جَدِيدْ has no pronounced case vowel.

Common Mistakes

1. Reading the letters from left to right. The first letter of كتاب is ك on the right, not ب on the left.

2. Forcing a join after one of the six right-joining letters. The break after ا in باب is structural, not missing typography.

3. Ignoring dots and guessing from the shared body. A dot change can turn ج into خ.

4. Treating ى as dotted ي, or ة as ordinary ه. These pairs can resemble one another in some positions, but they have different spelling functions.

5. Pasting Persian letterforms into Arabic text. Persian ک and ی are distinct Unicode characters from Arabic ك and ي, even when a font makes them look similar.

Key Takeaways

The alphabet has 28 conventional base letters, but far fewer unrelated shapes. Learn the order and names, group letters by body and dots, and recognize contextual joining as typography rather than new letters. Most importantly, keep the stable written skeleton separate from the optional vowel layer: ordinary MSA shows the former, while pedagogical vocalization and this guide’s audio form make the latter explicit.