| Singular | Plural | |
|---|---|---|
| Nominativ | circumcisoriom, circumcisorium | circumcisoria |
| Genitiv | circumcisorii | circumcisorium, circumcisoriorum |
| Dativ | circumcisorio | circumcisoriis |
| Akkusativ | circumcisorium | circumcisoria |
| Ablativ | circumcisorio | circumcisoriis |
| Vokativ | circumcisorium | circumcisoria |