This is the 461st most frequent Croatian word.
knjige
"Books."
The word "knjige" refers to several books as a direct object, used in the accusative case.
Odnesi te knjige na stol.
Take those books to the table.
Here, "knjige" is part of the compound noun phrase "police za knjige," meaning 'shelves for books,' showing possession or purpose.
Police za knjige su u dnevnom boravku.
The book shelves are in the living room.
In this sentence, "knjige" is in the nominative plural form, used as the subject of the sentence referring generally to books.