| Nominativ | amphitheatriticus, amphitheatritica, amphitheatriticum | amphitheatritici, amphitheatritica, amphitheatriticae |
| Genitiv | amphitheatritici, amphitheatritici, amphitheatriticae | amphitheatriticorum, amphitheatriticorum, amphitheatriticarum |
| Dativ | amphitheatritico, amphitheatritico, amphitheatriticae | amphitheatriticis |
| Akkusativ | amphitheatriticum, amphitheatriticum, amphitheatriticam | amphitheatritica, amphitheatriticos, amphitheatriticas |
| Ablativ | amphitheatritica, amphitheatritico, amphitheatritico | amphitheatriticis |
| Vokativ | amphitheatritice, amphitheatriticum, amphitheatritica | amphitheatritici, amphitheatritica, amphitheatriticae |
