| Singular | Plural | |
|---|---|---|
| Nominativ | intercolumnium, intercolumniom | intercolumnia |
| Genitiv | intercolumnii | intercolumnium, intercolumniorum |
| Dativ | intercolumnio | intercolumniis |
| Akkusativ | intercolumnium | intercolumnia |
| Ablativ | intercolumnio | intercolumniis |
| Vokativ | intercolumnium | intercolumnia |