| Singular | Plural | |||
|---|---|---|---|---|
| Caz | Articulat | Nearticulat | Articulat | Nearticulat |
| Nominativ | rarefierea | rarefiere | rarefierile | rarefieri |
| Acuzativ | rarefierea | rarefiere | rarefierile | rarefieri |
| Genitiv | rarefierii | rarefieri | rarefierilor | rarefieri |
| Dativ | rarefierii | rarefieri | rarefierilor | rarefieri |
| Vocativ | rarefiere | rarefierilor | ||