This is the 1545th most frequent Swedish word.
rysk
Russian.
Here, 'rysk' is an adjective describing the noun 'kulturen', showing nationality or origin.
Den ryska kulturen är väldigt intressant.
The Russian culture is very interesting.
The word 'rysk' here modifies the noun 'diplomat', indicating the person's nationality.
Jag träffade en rysk diplomat på mötet.
I met a Russian diplomat at the meeting.
Here, 'Ryssarna' is the plural definite form derived from the root 'rysk', used to refer to Russian people collectively.