This is the 18062nd most frequent Russian word.
фундука
The Russian word "фундука" is the genitive singular or accusative plural form of "фундук," meaning "hazelnut" in English.
The word "фундука" is used in the genitive case to indicate possession or quantity, describing what was bought.
Я купил фундука для приготовления пирога.
I bought hazelnuts to make a pie.
Here, "фундука" is again in the genitive case, denoting an unspecified quantity of hazelnuts.
В корзине лежало немного фундука.
There were some hazelnuts in the basket.
In this sentence, "фундука" is in the genitive case following the word "свежего," which is an adjective modifying "фундука."