This is the 5061st most frequent Swedish word.
cecilie
"Cecilie" is not a Swedish word but a personal name, typically a variant of Cecilia.
In this sentence, 'Cecilie' is used as a proper noun referring to a person's name.
Cecilie kan spela piano mycket bra.
Cecilie can play the piano very well.
Here, 'Cecilie' serves as a proper noun, identifying someone's name whom the speaker encountered.
Jag såg Cecilie på biblioteket igår.
I saw Cecilie at the library yesterday.
'Cecilie' is utilized as a proper noun indicating ownership by the person named Cecilie.