Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | sesquioctavum |
| Gen. | sesquioctavi |
| Dat. | sesquioctavo |
| Acc. | sesquioctavum |
| Abl. | sesquioctavo |
| Voc. | sesquioctavum |
| PLURIEL |
| Nom. | sesquioctava |
| Gen. | sesquioctavōrum |
| Dat. | sesquioctavis |
| Acc. | sesquioctava |
| Abl. | sesquioctavis | |