| Singular | Plural | |
|---|---|---|
| Nominativ | astrologus, astrologus | astrologi, astrologi |
| Genitiv | astrologi, astrologi | astrologorum, astrologorum |
| Dativ | astrologo, astrologo | astrologis, astrologis |
| Akkusativ | astrologom, astrologum, astrologom, astrologum | astrologos, astrologos |
| Ablativ | astrologo, astrologo | astrologis, astrologis |
| Vokativ | astrologe, astrologe | astrologi, astrologi |