The English phrase "your sister" becomes one simple word when translated into Arabic. That word is "okhtuka" (أختك) which comes from the word "okht" which means sister.
The sister of my Dad is called " Ammah" & its plural is " Ammat".
okht / shaqeeqa
tu'jibunii ukhtuka(/ukhtuki) تعجبني أختك
my sister = okhtii ( in Arabic ) and it written in Arabic this way : أختــي
SHOK-ren OOKHT (my sister would be OKH-tee) شكرًا، أختي I am only a beginning Arabic learner!
Kowayes laki ya okhtee--> كويس لك يا أختِ
Translation of "I love you, little sister": Ohibbuki ya okhti as-saghira (أحبك يا أختي الصغيرة)
sister is : okht ( أخت) if you want to say my sister, it is: okhty (أختي)
If you want to say Arabic in Arabic this is how you say it=Arabi
The English word "sister" has a unique spelling in Arabic. Arabic is a language heavy in consonant sounds and the spelling for this word is no exception. It is "okht" (أخت).
Okhtأخت
In Arabic, you would refer to your mother's sister as "خالة" (khala).