Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | felleus |
| Gen. | fellei |
| Dat. | felleo |
| Acc. | felleum |
| Abl. | felleo |
| Voc. | fellee |
| PLURIEL |
| Nom. | fellei |
| Gen. | felleōrum |
| Dat. | felleis |
| Acc. | felleos |
| Abl. | felleis |
| Voc. | fellei |
| SINGULIER |
| Nom. | felleă |
| Gen. | felleae |
| Dat. | felleae |
| Acc. | felleam |
| Abl. | felleā |
| Voc. | felleă |
| PLURIEL |
| Nom. | felleae |
| Gen. | felleārum |
| Dat. | felleis |
| Acc. | felleas |
| Abl. | felleis |
| Voc. | felleae |
| SINGULIER |
| Nom. | felleum |
| Gen. | fellei |
| Dat. | felleo |
| Acc. | felleum |
| Abl. | felleo |
| Voc. | felleum |
| PLURIEL |
| Nom. | fellea |
| Gen. | felleōrum |
| Dat. | felleis |
| Acc. | fellea |
| Abl. | felleis | |