This is the 870th most frequent Russian word.
аэропорта
Genitive singular form of "airport" in Russian.
Here, 'аэропорта' is in the genitive case, which is used to indicate the point of origin.
Мы приехали из аэропорта.
We arrived from the airport.
In this example, 'аэропорта' is in the genitive case, and it is used to express location in relation to another object.
Здание находится напротив аэропорта.
The building is located opposite the airport.
Here, 'аэропорта' is again in the genitive case, and it specifies a relationship of possession, describing the workers belonging to the airport.