lekarki

In a sentence

• Lekarki pracują w szpitalu.

  The doctors work in the hospital.

  Here, 'lekarki' is the plural form of the feminine noun for doctors, indicating female doctors in general.

• To jest samochód lekarki.

  This is the doctor's car.

  In this sentence, 'lekarki' is used as a singular genitive case of the feminine noun, referring to something belonging to a female doctor.

• Rozmawiałem z lekarkami.

  I spoke with the female doctors.

  Here, 'lekarki' is in instrumental plural case, referring to talking with multiple female doctors.