| Nominativ | puerignis, ignis, ignisque, ignis | ignes, ignes, ignesque |
| Genitiv | puerignis, ignis, ignisque, ignis | igninum, ignium, ignum, ignium, ignum, indignium, larignum |
| Dativ | igninum, igni, igniacus, igne, igni, marsigni | ignibus, ignibus, ignibusque |
| Akkusativ | ignem, ignem, ignemneque, ignim, ignemque, ignim | ignes, ignesque, puerignis, ignis, ignisque, ignis, ignes |
| Ablativ | marsigni, igninum, igne, igni, igniacus, igne, igni | ignibus, ignibus, ignibusque |
| Vokativ | puerignis, ignis, ignisque, ignis | ignes, ignesque, ignes |
