| Nominativ | agathodaemon, agathodaemon, agathodaemoneis | agathodaemones, agathodaemones |
| Genitiv | agathodaemonis, agathodaemonis | agathodaemonium, agathodaemonum, agathodaemonium, agathodaemonum |
| Dativ | agathodaemoni, agathodaemoni, agathodaemone | agathodaemonibus, agathodaemonibus |
| Akkusativ | agathodaemonem, agathodaemonem | agathodaemones, agathodaemonis, agathodaemonis, agathodaemones |
| Ablativ | agathodaemone, agathodaemone | agathodaemonibus, agathodaemonibus |
| Vokativ | agathodaemon, agathodaemon, agathodaemoneis | agathodaemones, agathodaemones |
