brzóza

In a sentence

• Widzę piękną brzozę w ogrodzie.

  I see a beautiful birch tree in the garden.

  The word 'brzoza' is used here as a noun in its basic form, meaning a birch tree.

• Jesienią liście brzozy są złociste.

  In autumn, the leaves of the birch tree are golden.

  The word 'brzozy' is in the possessive form (genitive singular), referring to the leaves 'of the birch tree'.

• Posadziliśmy trzy brzozy wzdłuż drogi.

  We planted three birch trees along the road.

  Here, 'brzozy' is the plural form accusative case, indicating multiple birch trees being planted.