This is the 18063rd most frequent Polish word.
żubra
The Polish word "żubra" means "bison" (specifically the European bison) in English.
In this sentence, 'żubra' is also in the genitive singular case, connected to the property or characteristic of the noun.
Podziwiam siłę żubra.
I admire the strength of a European bison.
The word 'żubra' is the accusative singular form of 'żubr', referring to the object of the action.
Widziałem żubra w lesie.
I saw a European bison in the forest.
Here, 'żubra' is in the genitive singular case, used to indicate posession or association.