This is the 2082nd most frequent Swedish word.
björn
Bear.
Here, 'björn' refers to the animal, a bear.
Jag såg en björn i skogen.
I saw a bear in the forest.
In this usage, 'Björn' is used as a proper noun, a person's name.
Björn är min vän; han är mycket vänlig.
Björn is my friend; he is very kind.
Here, 'Björn' is part of a compound noun used in a geographic location name.