| Interferometerbasis | Nominativ, Singular | nominative case, singular | |
| Interferometerbasise | Genitiv, Singular | genitive case, singular | |
| Interferometerbasisen | Dativ, Singular | dative case, singular | |
| Interferometerbasis(e)s | Akkusativ, Singular | accusative case, singular | |
| Interferometerbasiser | Nominativ, Plural | nominative case, plural | |
| Interferometerbasisern | Genitiv, Plural | genitive case, plural | |
| Interferometerbasisn | Dativ, Plural | dative case, plural |