This is the 4297th most frequent Russian word.
аптеки
Pharmacies.
In this sentence, 'аптеки' is used in the genitive singular form due to the verb 'в'.
Я купил лекарство в аптеки.
I bought medicine in the pharmacy.
Here, 'аптека' is in the nominative singular form, describing the location.
Рядом с парком находится аптека.
There is a pharmacy near the park.
The word 'аптеки' is in the nominative plural form to refer to multiple pharmacies.