This is the 8016th most frequent Swedish word.
werners
"Werners" is not a standard Swedish word; it appears to be a proper noun, possibly a name.
Here, 'Werners' might refer to family or individuals collectively described as 'Werner's' at the event.
Jag träffade Werners igår på festen.
I met Werner's at the party yesterday.
In this case, 'Werners' once again shows possession, specifying the car owned by Werner.
Har du sett Werners nya bil?
Have you seen Werner's new car?
Here, 'Werners' is a possessive form indicating that the bookstore belongs to Werner.