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