This is the 14511th most frequent Russian word.
панкейков
"Pанкейков" means "pancakes" in English.
In this sentence, "панкейков" refers to the plural form of the word 'панкейк' (pancake) in the genitive case, used to describe the content of the plate.
Я заказал тарелку панкейков на завтрак.
I ordered a plate of pancakes for breakfast.
Here, "панкейков" is in the genitive case, used after the numeral 'сотни' (hundreds) to quantify the pancakes.
На ярмарке продавали сотни разных панкейков.
Hundreds of different pancakes were sold at the fair.
In this instance, "панкейков" is in the genitive case, describing the type of baking performed during the workshop.