| Nominativ | architectonicum, architectonica, architectonicus | architectonici, architectonica, architectonicae |
| Genitiv | architectonici, architectonici, architectonicae | architectonicarum, architectonicorum, architectonicorum |
| Dativ | architectonico, architectonico, architectonicae | architectonicis |
| Akkusativ | architectonicum, architectonicum, architectonicam | architectonicos, architectonicas, architectonica |
| Ablativ | architectonica, architectonico, architectonico | architectonicis |
| Vokativ | architectonice, architectonicum, architectonica | architectonici, architectonica, architectonicae |
