出典:Wiktionary
Third declension.
| Case | Singular | Plural |
|---|---|---|
| Nominative | concertātiō | concertātiōnēs |
| Genitive | concertātiōnis | concertātiōnum |
| Dative | concertātiōnī | concertātiōnibus |
| Accusative | concertātiōnem | concertātiōnēs |
| Ablative | concertātiōne | concertātiōnibus |
| Vocative | concertātiō | concertātiōnēs |