This is the 321st most frequent Swedish word.
aik
The Swedish word "AIK" typically refers to a Swedish sports club, Allmänna Idrottsklubben.
Here, 'AIK' is used as a proper noun referring to a specific football club.
AIK är min favoritfotbollsklubb.
AIK is my favorite football club.
In this case, 'AIK' is used to refer collectively to the team as actors in the action of playing.
Vi såg AIK spela på stadion i förra veckan.
We watched AIK play at the stadium last week.
In this sentence, 'AIK' represents the organization to which the players belong, used as a descriptor for the players.