Proper Adjectives:
* Norwegian (most common)
* Norse (historically refers to the Vikings, but can also be used to describe things from Norway)
Nouns:
* Norwegian fjord
* Norwegian crown
* Norwegian language
* Norwegian Christmas
* Norwegian wood (a term popularized by the Beatles, although not actually from Norway)
You can use these to create phrases like:
* "The stunning beauty of a Norwegian fjord."
* "Learning the Norwegian language is challenging but rewarding."
* "The Norwegian crown is a symbol of national pride."