This is the 4022nd most frequent Polish word.
wołosz
"Wołosz" is an old term referring to a Vlach, a member of a Romance-speaking group in Eastern Europe.
In this sentence, 'Wołosz' is used as a proper noun, likely referring to a person's name or identity.
Wołosz odwiedziła Polskę, by promować swoją książkę.
Wołosz visited Poland to promote her book.
In this case, 'Wołoszanka' refers to a dish name derived from the root 'Wołosz', probably indicating cultural or geographical origin.
Potrawa o nazwie Wołoszanka jest bardzo popularna w tej części Rumunii.
The dish called Wołoszanka is very popular in this part of Romania.
Here, 'Wołoszy' refers to the Vlachs, an ethnic group or historical population known in the region.