This is the 5292nd most frequent Russian word.
оливки
"Оливки" means "olives" in English.
In this sentence, 'оливок' is the genitive plural form of 'оливки', indicating possession or quantity (a jar of olives).
Я купил банку оливок на ужин.
I bought a jar of olives for dinner.
In this sentence, 'оливки' is in the nominative plural form, serving as the subject of the sentence.
Эти оливки очень вкусные.
These olives are very tasty.
In this sentence, 'оливок' is the genitive plural form used to indicate an unspecified quantity ('some olives').