| Singular | Plural | |
|---|---|---|
| Nominativ | penecoste | penecostae |
| Genitiv | penecostes | penecostarum, penecostum |
| Dativ | penecostae, penecostai | penecostabus, penecostis |
| Akkusativ | penecosten | penecostas |
| Ablativ | penecoste | penecostabus, penecostis |
| Vokativ | penecoste | penecostae |
12 (16) Formen für „penecoste“