This is the 9934th most frequent Polish word.
aptekach
"Aptekach" means "pharmacies" (locative plural form) in English.
The word 'aptekach' is used in the locative plural form, indicating the location where the action occurs.
Kupuję leki w aptekach.
I buy medicines in pharmacies.
Here, 'aptekach' indicates the location for the availability of discounts, employing a locative plural form.
Rabaty są dostępne w lokalnych aptekach.
Discounts are available in local pharmacies.
Here, 'apteki' (not 'aptekach') is used in the nominative plural form as the subject of the sentence.