| Nominativ | cephalalgia, cephalalgia | cephalalgiae, cephalalgiae |
| Genitiv | cephalalgiai, cephalalgiae, cephalalgiae, cephalalgiai | cephalalgiarum, cephalalgiarum, cephalalgium, cephalalgium |
| Dativ | cephalalgiai, cephalalgiae, cephalalgiai, cephalalgiae | cephalalgiis, cephalalgiabus, cephalalgiis, cephalalgiabus |
| Akkusativ | cephalalgiam, cephalalgiam | cephalalgias, cephalalgias |
| Ablativ | cephalalgia, cephalalgiad, cephalalgia, cephalalgiad | cephalalgiis, cephalalgiabus, cephalalgiis, cephalalgiabus |
| Vokativ | cephalalgia, cephalalgia | cephalalgiae, cephalalgiae |
