This is the 6654th most frequent Japanese word.
ノルディックスキー
Nordic skiing.
Here, 'ノルディックスキー' refers to the general activity or sport of Nordic skiing as a topic of discussion.
ノルディックスキーは冬季オリンピックで人気のある競技です。
Nordic skiing is a popular sport in the Winter Olympics.
In this sentence, 'ノルディックスキー' is used to describe the activity that the speaker's brother participates in and enjoys.
私の兄はノルディックスキーを楽しんでいます。
My brother enjoys Nordic skiing.
Here, 'ノルディックスキー' is referred to as an activity that requires specific equipment to commence learning or practicing it.