córki

In a sentence

• Mam dwie córki.

  I have two daughters.

  Here, 'córki' is the plural, accusative form of 'córka,' used as the direct object of the sentence to indicate possession.

• Idziemy do córki.

  We are going to the daughter.

  Here, 'córki' is the singular, genitive form of 'córka,' used to indicate direction towards someone's daughter.

• Znam matkę moich córek.

  I know the mother of my daughters.

  Here, 'córek' is the plural, genitive form of 'córka,' used to indicate possession in context of relationship.