This is the 260th most frequent Persian word.
یافته
"Found" or "discovered."
Here, 'یافته' is used as a noun meaning 'finding' or 'discovery'.
او نتایج یافتههای تحقیق را منتشر کرد.
He published the findings of the research.
In this sentence, 'یافتهام' is used as a verb in its past perfect form meaning 'I have found'.
من به دوستی واقعی را یافتهام.
I have found true friendship.
Here, 'یافته شده' functions as an adjective meaning 'found' to describe the books.