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