This is the 5316th most frequent Russian word.
орехов
"Орехов" is the genitive plural form of "орех," meaning "nuts" in English.
In this sentence, 'орехов' is the genitive plural form used to indicate a quantity of 'nuts'.
Я купил пакет орехов.
I bought a bag of nuts.
Here, 'орехов' is in the genitive plural case used to show the material of the cake, emphasizing what it is made from.
Этот торт сделан из орехов.
This cake is made from nuts.
In this example, 'орехов' is the genitive plural following the preposition 'на' with the verb 'продаже,' indicating the subject of the store's specialization.