This is the 7360th most frequent Polish word.
kazachstan
Kazachstan: Kazakhstan (a country in Central Asia).
Here, 'Kazachstan' is used as a proper noun to refer to the country Kazakhstan.
Kazachstan jest dużym krajem w Azji Środkowej.
Kazakhstan is a large country in Central Asia.
In this sentence, 'Kazachstan' is used within a prepositional phrase to describe the destination of the journey.
Podróż do Kazachstanu była naprawdę fascynująca.
The journey to Kazakhstan was truly fascinating.
Here, 'Kazachstan' is used possessively to refer to the inhabitants of Kazakhstan.