This is the 14019th most frequent Turkish word.
metrosu
"Metrosu" means "its metro" or "the metro of" in English, indicating possession.
Here, 'metrosu' refers to the metro system belonging to Ankara, formed by adding the possessive suffix '-su' to 'metro'.
Ankara'nın metrosu çok gelişmiştir.
Ankara's metro system is very advanced.
In this sentence, 'metrosunun' indicates possession by a third-person singular entity, with '-n' serving as an additional linking letter.
Metrosunun durakları sıklıkla düzenleniyor.
The stops of its metro are frequently organized.
'Metrosu' denotes the city's metro system in possessive form, combining 'metro' with '-su' to signify ownership.