出典:Wiktionary
From congregō (“flock together”) + -tiō.
Third-declension noun.
| Case | Singular | Plural |
|---|---|---|
| Nominative | congregātiō | congregātiōnēs |
| Genitive | congregātiōnis | congregātiōnum |
| Dative | congregātiōnī | congregātiōnibus |
| Accusative | congregātiōnem | congregātiōnēs |
| Ablative | congregātiōne | congregātiōnibus |
| Vocative | congregātiō | congregātiōnēs |