| Singular | Plural | |
|---|---|---|
| Nominativ | architectura | architecturae |
| Genitiv | architecturae, architecturai | architecturum, architecturarum |
| Dativ | architecturae, architecturai | architecturabus, architecturis |
| Akkusativ | architecturam | architecturas |
| Ablativ | architecturad, architectura | architecturabus, architecturis |
| Vokativ | architectura | architecturae |