This is the 3732nd most frequent Polish word.
lisy
"Foxes."
The word "lisy" is the nominative plural form, subject of the sentence.
Lisy są bardzo sprytne i szybkie.
Foxes are very clever and fast.
The word "lisy" is the accusative plural form, direct object of the verb "zobaczyły".
Dzieci zobaczyły lisy w lesie.
The children saw foxes in the forest.
The word "lisy" is in the accusative plural form, complement of the verb "lubię".