| Singular | Plural | |
|---|---|---|
| Nominativ | suffragium, suffragiumque, suffragium | suffragia, suffragia |
| Genitiv | suffragi, suffragiere, suffragi, suffragii, suffragii | suffragium, suffragiorum, suffragium, suffragiumque, suffragiorum |
| Dativ | suffragio, suffragio | suffragiisque, suffragiis, suffragiis |
| Akkusativ | suffragium, suffragium, suffragiumque | suffragia, suffragia |
| Ablativ | suffragio, suffragio | suffragiisque, suffragiis, suffragiis |
| Vokativ | suffragium, suffragium, suffragiumque | suffragia, suffragia |