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Persian is written in the Arabic alphabet, with four letters added and two letters drawn differently. The real differences are in the reading.

The alphabet, side by side

32 Persian letters. Arabic has 28 of them; Persian added four.

  • االفأَلِفfa /ʔ · ɒ/
    ar /ʔ · aː/
    ⇥
  • ببِبَاءfa /b/
    ar /b/
  • پپِfa /p/Persian only
  • تتِتَاءfa /t/
    ar /t/
  • ثثِثَاءfa /s/
    ar /θ/
  • ججیمجِيمfa /dʒ/
    ar /dʒ/
  • چچِfa /tʃ/Persian only
  • ححِحَاءfa /h/
    ar /ħ/
  • خخِخَاءfa /x/
    ar /x/
  • ددالدَالfa /d/
    ar /d/
    ⇥
  • ذذالذَالfa /z/
    ar /ð/
    ⇥
  • ررِرَاءfa /ɾ/
    ar /r/
    ⇥
  • ززِزَايfa /z/
    ar /z/
    ⇥
  • ژژِfa /ʒ/Persian only⇥
  • سسینسِينfa /s/
    ar /s/
  • ششینشِينfa /ʃ/
    ar /ʃ/
  • صصادصَادfa /s/
    ar /sˤ/
  • ضضادضَادfa /z/
    ar /dˤ/
  • ططاطَاءfa /t/
    ar /tˤ/
  • ظظاظَاءfa /z/
    ar /ðˤ/
  • ععینعَيْنfa /ʔ/
    ar /ʕ/
  • غغینغَيْنfa /ɢ/
    ar /ɣ/
  • ففِفَاءfa /f/
    ar /f/
  • ققافقَافfa /ɢ/
    ar /q/
  • كکافكَافfa /k/
    ar /k/
  • گگافfa /ɡ/Persian only
  • للاملَامfa /l/
    ar /l/
  • ممیممِيمfa /m/
    ar /m/
  • ننوننُونfa /n/
    ar /n/
  • وواووَاوfa /v · u · o/
    ar /w · uː/
    ⇥
  • ههِهَاءfa /h · e/
    ar /h/
  • يیِيَاءfa /j · i/
    ar /j · iː/

⇥ does not join to the next letter

The four Persian letters

پ چ ژ گ — sounds Arabic does not have. In words Arabic borrowed from Persian, they were replaced.

ژ/ʒ/In Arabic loans: ز ج

zh became z or j. In Levantine Arabic j itself is often pronounced zh.

ی/ي and ک/ك

Two letters that look a little different and are different characters on a computer. Pages with the right language tag draw the right shape.

یAs Persian · U+06CC
يAs Arabic · U+064A

Persian ی has no dots at the end of a word (کرسی); Arabic ي keeps two dots below everywhere (كرسي). Arabic ى (alif maqṣūra, U+0649) is the dotless final that reads ā.

کAs Persian · U+06A9
كAs Arabic · U+0643

Persian ک has a stroke on top at the end of a word; Arabic ك has a small hamza-like mark inside. Same sound, two code points: search and spell-check treat them as different letters.

As PersianAs ArabicEN
کرسیكُرْسِيchair
ملکمَلِكking
علیعَلِيʿAlī (name)
معنیمَعْنَىmeaning

Letters Persian pronounces alike

Persian kept the Arabic spellings but merged the sounds. Spelling is the only way to tell them apart.

Persian says /ʔ / —/

  • ع/ʕ/a voiced squeeze in the throat
  • ء/ʔ/glottal stop (the catch in 'uh-oh')

In Persian both are a light glottal stop or nothing at all: maʿnā → maʾni, ʿilm → elm. Arabic ʿayn is a real consonant; learn it as one.

Vowels

Persian reads Arabic i as e and u as o — kitāb becomes ketāb, ʿulūm becomes olum.

ArabicPersianExamples
َ /a//æ/قَلَم qalamقلم qalam
ِ /i//e/عِلْم ʿilmعلم elm
ُ /u//o/حُكْم ḥukmحکم hokm
ا /aː//ɒ/كِتَاب kitābکتاب ketāb
ي /iː//i/كَبِير kabīrکبیر kabir
و /uː//u/مَعْلُوم maʿlūmمعلوم maʾlum
ـَوْ /aw//ow/دَوْلَة dawlaدولت dowlat
ـَيْ /aj//ej/شَيْخ shaykhشیخ šeyx

ة written as ه or ت

Arabic ة (tāʾ marbūṭa) has no Persian letter. Persian writes it as ه (pronounced e) or as ت (pronounced t). Which one is a matter of each word's history.

ة → ه as ه

  • مَدْرَسَةمدرسهmadreseschool
  • إِدَارَةادارهedāreoffice
  • عَلَاقَةعلاقهalāqeinterest, attachment (Ar. relationship)

ة → ت as ت

  • حَرَكَةحرکتharakatmovement
  • دَوْلَةدولتdowlatgovernment (Ar. state)
  • رَحْمَةرحمتrahmatmercy
  • صِحَّةصحتsehhathealth, accuracy
  • قُدْرَةقدرتqodratpower

Tanwin in Persian adverbs

Persian kept the Arabic adverb ending -an (ـاً). The Persian adverbs and the Arabic ones match.

  • فوراًفَوْرًا
    fowran · fawranimmediately
  • اتفاقاًاِتِّفَاقًا
    ettefāqan · ittifāqanby chance
  • تقریباًتَقْرِيبًا
    taqriban · taqrībanalmost
  • حتماًحَتْمًا
    hatman · ḥatmancertainly
  • مثلاًمَثَلًا
    masalan · mathalanfor example
  • اصلاًأَصْلًا
    aslan · aṣlanat all (with a negative)