This is the 9536th most frequent Polish word.
wojciechowska
"Wojciechowska" is a Polish surname derived from the male name "Wojciech," typically meaning "belonging to Wojciech" or "of Wojciech."
In this sentence, 'Wojciechowska' is used as a surname, identifying Barbara's family name.
Barbara Wojciechowska jest znanym polskim naukowcem.
Barbara Wojciechowska is a well-known Polish scientist.
Here, 'Wojciechowskiego' is the masculine genitive form of the surname 'Wojciechowski', used in the context of asking about this individual.
Czy ktoś widział pana Wojciechowskiego dzisiaj?
Has anyone seen Mr. Wojciechowski today?
In this example, 'Wojciechowskich' refers to the plural genitive form of the surname, indicating a family group.