This is the 8826th most frequent Turkish word.
sinem
"Sinem" is a Turkish female name meaning "my heart" or "my soul."
'Sinem' in this case is a proper noun, a given name of a person.
Sinem sinemaya gitmeyi çok seviyor.
Sinem loves going to the cinema.
'Sinem' here is a possessive noun form meaning 'my heart' poetically.
Bu şehir benim sinem gibi.
This city is like my heart.
'Sinem' serves as a vocative case addressing someone whose name is Sinem.