dans le dictionnaire PONS
additiō <ōnis> f (addo) vor- u. nachkl.
- additio
-
| Cas | Singulier | Pluriel |
|---|---|---|
| Nominatif | additiō | additiōnēs |
| Génitif | additiōnis | additiōnum |
| Datif | additiōnī | additiōnibus |
| Accusatif | additiōnem | additiōnēs |
| Ablatif | additiōne | additiōnibus |