This is the 11083rd most frequent German word.
schweizer
"Schweizer" means "Swiss" (a person from Switzerland).
Here, 'Schweizer' is used as an adjective to describe something as related to Switzerland.
Die Schweizer Landschaft ist atemberaubend.
The Swiss landscape is breathtaking.
In this sentence, 'Schweizer' is used as a noun to denote a person from Switzerland.
Er ist ein stolzer Schweizer.
He is a proud Swiss.
The term 'schweizerische' is an adjectival form denoting origin from Switzerland and modifies a specific noun, 'Marke'.