This is the 6114th most frequent Polish word.
antonowicz
"Antonowicz" is a Polish surname derived from the given name Antoni, meaning "son of Antoni."
'Antonowicz' is used as a proper noun, likely a surname or name in this context.
Antonowicz to dobry przyjaciel.
Antonowicz is a good friend.
Here, 'Antonowiczów' is the plural possessive form of 'Antonowicz', referring to the family with this surname.
Rodzina Antonowiczów mieszka na wsi.
The Antonowicz family lives in the countryside.
In this case, 'Antonowicza' might refer to a specific object or artifact carrying the name 'Antonowicz', described as antique.