"Diams" does not have a specific meaning in Farsi. It is not a Farsi word or term.
The Farsi word for Arian is آریان.
this word is not Farsi.
The Farsi word for 'oneness' is یکیپاره (Yekipareh).
The Farsi word for community is "جامعه" (jam'e).
The Farsi word for honor is "شرافت" (sharafat).
If you mean the language it is Farsi
The Farsi word for apple is "سیب" (pronounced: seeb).
The word for "donkey" in Farsi is "khar".
The Farsi word for "angel" is فرشته (farshad).
The meaning of Farsi of the word Khoda is may the almighty God be our protector.
The word for kiss in Farsi is "بوسه" pronounced as "booseh".