| Singular | Plural | |
|---|---|---|
| Nominativ | architectura | architecturae |
| Genitiv | architecturae, architecturai | architecturarum, architecturum |
| Dativ | architecturae, architecturai | architecturabus, architecturis |
| Akkusativ | architecturam | architecturas |
| Ablativ | architectura, architecturad | architecturabus, architecturis |
| Vokativ | architectura | architecturae |
12 (18) Formen für „architectura“
