This is the 507th most frequent Swedish word.
norr
"North."
Here, 'norr' indicates a direction relative to the city.
Det finns många skogar norr om staden.
There are many forests north of the city.
In this context, 'norrut' combines 'norr' with a suffix to imply movement towards the north.
Vi reste norrut för att besöka fjällen.
We traveled north to visit the mountains.
Here, 'norrsidan' uses 'norr' as a compound word to specify the location on the north side.