This is the 7103rd most frequent Swedish word.
rhein
The Swedish word "rhein" does not exist as a standard term; it may be a misspelling or borrowed proper noun, such as "Rhein" (German for the Rhine River).
Here 'Rhein' is used as a proper noun referring to the name of a river in Europe.
Floden Rhein är en av Europas största och viktigaste vattenvägar.
The river Rhein is one of Europe's largest and most important waterways.
In this sentence, 'Rhein' is referenced as a geographic subject studied academically.
Jag lärde mig om Rhein när jag studerade europeisk geografi.
I learned about the Rhein when studying European geography.
Here 'Rhein' is used to describe engaging in an activity on the river itself.