| Nominativ | amphitheatricus, amphitheatrica, amphitheatricum | amphitheatrici, amphitheatrica, amphitheatricae |
| Genitiv | amphitheatrici, amphitheatrici, amphitheatricae | amphitheatricorum, amphitheatricorum, amphitheatricarum |
| Dativ | amphitheatrico, amphitheatrico, amphitheatricae | amphitheatricis |
| Akkusativ | amphitheatricum, amphitheatricam, amphitheatricum | amphitheatrica, amphitheatricos, amphitheatricas |
| Ablativ | amphitheatrica, amphitheatrico, amphitheatrico | amphitheatricis |
| Vokativ | amphitheatrica, amphitheatricum, amphitheatrice | amphitheatrici, amphitheatrica, amphitheatricae |
