This is the 1197th most frequent Polish word.
aleksandra
"Aleksandra" is the Polish form of the name "Alexandra," meaning "defender of mankind."
The name 'Aleksandra' is used as a proper noun referring to a person.
Aleksandra jest moją nauczycielką.
Aleksandra is my teacher.
Here, 'Aleksandry' is the genitive case of the name 'Aleksandra', showing possession or a recipient of an action.
Napisałem list do Aleksandry.
I wrote a letter to Aleksandra.
In this sentence, 'Aleksandrę' is in the accusative case, indicating a direct object of the verb.