| Sg M | Pl M | Sg F | Pl F | Sg N | Pl N | |
| Nom | fūsa (rule) | fūsan (rule) | fūse (rule) | fūsan (rule) | fūse (rule) | fūsan (rule) |
| Acc | fūsan (rule) | fūsan (rule) | fūsan (rule) | fūsan (rule) | fūse (rule) | fūsan (rule) |
| Gen | fūsan (rule) | fūsra (rule) | fūsan (rule) | fūsra (rule) | fūsan (rule) | fūsra (rule) |
| Dat | fūsan (rule) | fūsum (rule) | fūsan (rule) | fūsum (rule) | fūsan (rule) | fūsum (rule) |
| SgM | PlM | SgF | PlF | SgN | PlN | |
| Nom | fūs | fūse (rule) | fūs (rule) | fūsa (rule) | fūs (rule) | fūse (rule) |
| Acc | fūsne (rule) | fūse (rule) | fūse (rule) | fūsa (rule) | fūs (rule) | fūse (rule) |
| Gen | fūses (rule) | fūsra (rule) | fūsre (rule) | fūsra (rule) | fūses (rule) | fūsra (rule) |
| Dat | fūsum (rule) | fūsum (rule) | fūsre (rule) | fūsum (rule) | fūsum (rule) | fūsum (rule) |
| Instr | fūse (rule) | fūsum (rule) | fūsre (rule) | fūsum (rule) | fūse (rule) | fūsum (rule) |