| Nominativ | operosaeque, operosum, operosus, operosa | operosa, operosi, operosae, operosiora, operosaeque, operosiores |
| Genitiv | operosi, operosi, operosae, operosiora, operosiora, operosiores, operosiores | operosorum, operosorum, operosarum |
| Dativ | operoso, operoso, operosae | operosissime, operosis |
| Akkusativ | operosum, operosum, operosam | operosas, operosa, operosos, operosaeque |
| Ablativ | operosa, operoso, operoso, operosaeque | operosis, operosissime |
| Vokativ | operose, operosaeque, operosum, operosa | operosa, operosi, operosae, operosiora, operosaeque, operosiores |
