This is the 4879th most frequent Polish word.
paczki
Polish doughnuts filled with sweet fillings and typically coated with powdered sugar or icing.
Here, 'pączki' refers to sweet pastries commonly known as donuts.
Lubię jeść pączki z marmoladą.
I like eating donuts with marmalade.
In this usage, 'paczki' refers to parcels or packages.
Kurier przyniósł paczki dla sąsiada.
The courier delivered packages for the neighbor.
Here, 'paczki' again means parcels or gift packages, emphasizing the activity of packing.