| Singular | Plural | |
|---|---|---|
| Nominativ | catecheta | catechetae |
| Genitiv | catechetae, catechetai | catechetarum, catechetum |
| Dativ | catechetae, catechetai | catechetis, catechetabus |
| Akkusativ | catechetam | catechetas |
| Ablativ | catechetad, catecheta | catechetis, catechetabus |
| Vokativ | catecheta | catechetae |