This is the 7112th most frequent Swedish word.
riikka
"Riikka" is a Finnish female given name; it is not a Swedish word.
In this sentence, 'Riikka' is used as a proper noun, referring to an individual's name.
Riikka är en smart och omtänksam person.
Riikka is a smart and caring person.
Here, 'Riikka' again functions as a proper noun, denoting someone's personal identity.
Riikka studerar på universitetet och har många vänner.
Riikka studies at the university and has many friends.
Similarly, 'Riikka' is utilized as a proper noun, representing a person's given name.