This is the 11338th most frequent Russian word.
десятиэтажке
A "десятиэтажке" refers to a ten-story building.
Here, 'десятиэтажке' refers to the building itself, emphasizing the collective dwelling as a residential context.
В нашей десятиэтажке отличный вид из окна.
In our ten-story building, the view from the window is excellent.
In this sentence, 'десятиэтажке' highlights the type and recent construction of the residential building.
Мы переехали в квартиру в новой десятиэтажке.
We moved into an apartment in a new ten-story building.
Here, 'десятиэтажке' mentions the building as a landmark near which the playground is located.