| Singular | Plural | |
|---|---|---|
| Nominativ | sesquiquartum, sesquiquartus, sesquiquarta | sesquiquartae, sesquiquarti, sesquiquarta |
| Genitiv | sesquiquartae, sesquiquarti, sesquiquarti | sesquiquartorum, sesquiquartorum, sesquiquartarum |
| Dativ | sesquiquarto, sesquiquartae, sesquiquarto | sesquiquartis |
| Akkusativ | sesquiquartam, sesquiquartum, sesquiquartum | sesquiquartos, sesquiquartas, sesquiquarta |
| Ablativ | sesquiquarto, sesquiquarto, sesquiquarta | sesquiquartis |
| Vokativ | sesquiquarte, sesquiquartum, sesquiquarta | sesquiquartae, sesquiquarti, sesquiquarta |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Grundform | |
|---|---|
| Positiv | sesquiquarte |
| Komparativ | — |
| Superlativ | — |