Despite their differences, there are some similarities between Persian and Greek. Both languages have a rich history and culture, and they have both been influenced by other cultures. For example, Persian was influenced by Arabic and Turkish, while Greek was influenced by Latin and Slavic languages.
One similarity between Persian and Greek is the use of the Greek alphabet. The Greek alphabet was adopted by the Persians in the 4th century BC, and it is still used to write Persian today. The Persian alphabet has 32 letters, of which 28 are derived from the Greek alphabet.
Another similarity between Persian and Greek is the use of certain grammatical structures. For example, both languages use the nominative-accusative case system. In the nominative case, the subject of a sentence is marked with a special ending. In the accusative case, the object of a sentence is marked with a special ending.
Finally, there are some similarities between Persian and Greek vocabulary. For example, the word "brother" is "برادر" (barādar) in Persian and "αδερφός" (adelphós) in Greek. The word "sister" is "خواهر" (khāhar) in Persian and "αδερφή" (adelphí) in Greek.
Overall, Persian and Greek are two very different languages, but they do share some similarities. These similarities are a result of the fact that both languages are Indo-European languages, and they have both been influenced by other cultures.