This is the 6147th most frequent Russian word.
супермаркета
Genitive singular form of "supermarket" (a large self-service store).
The word "супермаркета" is in the genitive case to specify 'from the supermarket'.
Я вернулся из супермаркета.
I came back from the supermarket.
The word "супермаркет" is in the nominative case to denote 'to the supermarket'.
У входа в супермаркет стояло много людей.
Many people were standing at the entrance to the supermarket.
The word "супермаркета" is in the genitive case to indicate location relative to 'near the supermarket'.