What is the difference between the two and when should they be used?

Also when addressing one person what is the difference between Jazakallah Khayrun vs Jazakallah Khair?

  • Welcome to IslamSE , why don't you try an arabic dictionary ? Commented Mar 16, 2023 at 16:35
  • Jazaka Allahu Khayrun is not (correct) Arabic and Jazaka Allahu Khayr is a lazy form which ignores the correct rulings of grammar which could also be regarded as incorrect. People using it either are in doubt of the grammar or lazy.
    – Medi1Saif
    Commented Mar 18, 2023 at 19:59
  • @Medi1Saif what will be correct arabic in that case? Can you see the accepted answer, he linked a Hadith which talks about using Jazkallah Khayrun Commented Mar 18, 2023 at 22:47
  • @user15296915 sunnah.com/search?q=Jazak-Allah
    – Ahmed
    Commented Mar 19, 2023 at 18:21

1 Answer 1


As Salaamu 3laykum,

I hope you are doing well. When using Wa-iyyak or Wa-iyyakum it depends who you are addressing. In arabic there are pronouns that are attached and de-attached. In this case these are attached pronouns.

1 male - wa-iyyaka
2 males - wa-iyyakuma
3 or more males - wa-iyyakum

1 female - wa-iyyaki (kee)
2 females - wa-iyyakuma
3 or more females - wa-iyyakuna

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Source: https://www.youtube.com/watch?v=eo8PC62VhNM&ab_channel=AlhudaDiaries

Regarding your second question:

The Messenger of ALLAAH (ﷺ) said, “He who is favoured by another and says to his benefactor: `Jazak-Allah khairan (may Allah reward you well)’ indeed praised (the benefactor) satisfactorily.” Riyad As-Salihin – [At-Tirmidhi]

  • Jazakallah Khairan! What about when addressing a mix crowd of male and female? Commented Mar 18, 2023 at 22:45
  • @user15296915 as in most other languages in case that at least one male is within a group the grammar used is for male plural.
    – Medi1Saif
    Commented Mar 19, 2023 at 12:35

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