This is the 5806th most frequent Swedish word.
holländska
Dutch (language).
In this sentence, 'holländska' is used as a noun referring to the Dutch language.
Jag lärde mig att tala holländska när jag bodde i Nederländerna.
I learned to speak Dutch when I lived in the Netherlands.
Here, 'holländsk' is an adjective derived from 'holländska', describing the specific style of football associated with the Netherlands.
Min vän spelar holländsk fotboll efter att ha flyttat till Amsterdam.
My friend plays Dutch football after moving to Amsterdam.
In this usage, 'holländska' is an adjective describing the traditions that originate from the Netherlands.