This is the 12376th most frequent Russian word.
карагандинка
A female inhabitant of Karaganda, a city in Kazakhstan.
The word 'карагандинка' here refers to a woman from Karaganda, emphasizing her origin.
Мы встретили карагандинку, которая рассказала много интересного о своем городе.
We met a Karagandinian woman who told us many interesting things about her city.
The word 'карагандинка' is used here to denote a female person from the city of Karaganda.
Катя родилась в Караганде, поэтому она карагандинка.
Katya was born in Karaganda, so she is a Karagandinian.
In this context, 'карагандинка' refers to a notable woman from Karaganda.