| Nominativ | gratiosus, gratiosa, gratiosum, gratiosa, gratiosum, gratiosus | gratiosae, gratiosiori, gratiosi, gratiosa, gratiosique, gratiosi, gratiosa, gratiosae, gratiosiores |
| Genitiv | gratiosiori, gratiosiori, gratiosi, gratiosi, gratiosique, gratiosique, gratiosi, gratiosi, gratiosae, gratiosiores, gratiosiores, gratiosae | gratiosarum, gratiosorum, gratiosorum, gratiosorum, gratiosorum, gratiosarum |
| Dativ | gratiosae, gratioso, gratioso, gratiosae, gratioso, gratioso | gratiosissimorum, gratiosis, gratiosis, gratiosisque, gratiosissima, gratiosissimo |
| Akkusativ | gratiosam, gratiosam, gratiosum, gratiosum, gratiosum, gratiosum | gratiosos, gratiosas, gratiosa, gratiosos, gratiosa, gratiosas |
| Ablativ | gratioso, gratioso, gratioso, gratiosa, gratioso, gratiosa | gratiosissimorum, gratiosis, gratiosis, gratiosisque, gratiosissima, gratiosissimo |
| Vokativ | gratiose, gratiosa, gratiose, gratiosum, gratiosa, gratiosum | gratiosae, gratiosiori, gratiosi, gratiosa, gratiosique, gratiosi, gratiosa, gratiosae, gratiosiores |
