| Singular | Plural | |
|---|---|---|
| Nominativ | subdiaconus | subdiaconi |
| Genitiv | subdiaconi | subdiaconorum |
| Dativ | subdiacono | subdiaconis |
| Akkusativ | subdiaconom, subdiaconum | subdiaconos |
| Ablativ | subdiacono | subdiaconis |
| Vokativ | subdiacone | subdiaconi |
12 (13) Formen für „subdiaconus“