| Singular | Plural | |
|---|---|---|
| Nominativ | agnosticismus, agnosticismus | agnosticismi, agnosticismi |
| Genitiv | agnosticismi, agnosticismi | agnosticismum, agnosticismum, agnosticismorum, agnosticismorum |
| Dativ | agnosticismo, agnosticismo | agnosticismis, agnosticismis |
| Akkusativ | agnosticismum, agnosticismum, agnosticismom, agnosticismom | agnosticismos, agnosticismos |
| Ablativ | agnosticismo, agnosticismo | agnosticismis, agnosticismis |
| Vokativ | agnosticisme, agnosticisme | agnosticismi, agnosticismi |