| Nominativ | gratulabundum, gratulabundum, gratulabundus, gratulabunda, gratulabunda, gratulabundus | gratulabunda, gratulabundae, gratulabundae, gratulabundi, gratulabundi, gratulabunda |
| Genitiv | gratulabundae, gratulabundae, gratulabundi, gratulabundi, gratulabundi, gratulabundi | gratulabundorum, gratulabundorum, gratulabundorum, gratulabundarum, gratulabundorum, gratulabundarum |
| Dativ | gratulabundo, gratulabundo, gratulabundo, gratulabundae, gratulabundo, gratulabundae | gratulabundis, gratulabundis |
| Akkusativ | gratulabundam, gratulabundam, gratulabundum, gratulabundum, gratulabundum, gratulabundum | gratulabunda, gratulabunda, gratulabundos, gratulabundos, gratulabundas, gratulabundas |
| Ablativ | gratulabundo, gratulabundo, gratulabundo, gratulabundo, gratulabunda, gratulabunda | gratulabundis, gratulabundis |
| Vokativ | gratulabunde, gratulabundum, gratulabundum, gratulabunde, gratulabunda, gratulabunda | gratulabundi, gratulabunda, gratulabunda, gratulabundae, gratulabundae, gratulabundi |
