| Nominativ | argillaceus, argillacea, argillaceum, argillaceum, argillacea, argillaceus | argillacei, argillacea, argillacea, argillaceae, argillaceae, argillacei |
| Genitiv | argillacei, argillaceae, argillaceae, argillacei, argillacei, argillacei | argillaceorum, argillaceorum, argillaceorum, argillacearum, argillaceorum, argillacearum |
| Dativ | argillaceo, argillaceo, argillaceo, argillaceae, argillaceo, argillaceae | argillaceis, argillaceis |
| Akkusativ | argillaceam, argillaceam, argillaceum, argillaceum, argillaceum, argillaceum | argillacea, argillacea, argillaceos, argillaceas, argillaceos, argillaceas |
| Ablativ | argillacea, argillacea, argillaceo, argillaceo, argillaceo, argillaceo | argillaceis, argillaceis |
| Vokativ | argillacea, argillacee, argillaceum, argillacee, argillaceum, argillacea | argillacei, argillacei, argillacea, argillacea, argillaceae, argillaceae |
