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