This is the 9459th most frequent Polish word.
waszyngtonu
"Waszyngtonu" is the genitive or locative case of "Waszyngton," meaning "Washington" in Polish.
Here, 'Waszyngtonu' is in the genitive case, used after the preposition 'do' to denote movement toward a location.
Pojechałem do Waszyngtonu na wakacje.
I went to Washington for vacation.
In this context, 'Waszyngtonu' is in the genitive case, showing possession or association with monument.
Pomnik Waszyngtonu jest imponujący.
The Washington Monument is impressive.
Here, 'Waszyngtonu' is in the genitive case, used with the preposition 'z' indicating origin or source.