This is the 15141st most frequent Polish word.
różą
The Polish word "różą" means "rose" (instrumental singular form).
The word "róża" refers to the noun "rose," which is a type of flower.
Róża jest moim ulubionym kwiatem.
Rose is my favorite flower.
In this case, "róży" is the genitive form of "róża," used to indicate possession or relationship.
Została ukłuta przez krzak róży.
She got pricked by a rose bush.
Here, "róże" is the plural form of "róża," indicating multiple flowers of that kind.