różą

In a sentence

• Róża jest moim ulubionym kwiatem.

  Rose is my favorite flower.

  The word "róża" refers to the noun "rose," which is a type of flower.

• Została ukłuta przez krzak róży.

  She got pricked by a rose bush.

  In this case, "róży" is the genitive form of "róża," used to indicate possession or relationship.

• Mam alergię na róże.

  I am allergic to roses.

  Here, "róże" is the plural form of "róża," indicating multiple flowers of that kind.