All together there are four declensions for each gender (masculine, femenine and neutral). Each noun falls under one of the gender categories and one of the four possible declensions.
Under the category for the first female noun declension fall the female nouns ending with "-a" and that have in the second case (Rodilnik) the ending "-e" (Knjiga - A Book, Hiša - A House, ...).
| Case | Ending |
|---|---|
| 1st Case | -a |
| 2nd Case | -e |
| 3rd Case | -i |
| 4th Case | -o |
| 5th Case | o -i |
| 6th Case | s/z -o |
Knjiga - A Book
| Case | Name of the Case | Question / Vprašalnica | Example |
|---|---|---|---|
| 1st Case | Imenovalnik | Kdo ali kaj? | Knjiga |
| 2nd Case | Rodilnik | Koga ali česa? | Knjige |
| 3rd Case | Dajalnik | Komu ali čemu? | Knjigi |
| 4th Case | Tožilnik | Koga ali kaj? | Knjigo |
| 5th Case | Mestnik | O kom ali o čem? | O knjigi |
| 6th Case | Orodnik | S kom ali s čim? | S knjigo |