| Singular | Plural | |
|---|---|---|
| Nominativ | complexus, complexar | complexus, complexuus |
| Genitiv | complexus | complexuum |
| Dativ | complexui | complexubus, complexibus |
| Akkusativ | complexum, complexar | complexus, complexuus |
| Ablativ | complexu, complexuque | complexubus, complexibus |
| Vokativ | complexus, complexar | complexus, complexuus |