| Part of speech | common noun |
|---|---|
| Hyphenation | libr·o |
| Singular | Plural | |
|---|---|---|
| Nominative | libro | libroj |
| Accusative | libron | librojn |
| Afrikaans | boek |
|---|---|
| Catalan | llibre |
| Chinook Jargon | buk |
| Dutch | boek |
| English | book |
| French | livre |
| German | Buch |
| Italian | libro |
| Jamaican Patois | buk |
| Low German | book |
| Papiamento | buki |
| Spanish | libro |
| Sranan | buku |
| Yiddish | בוך |