Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | facundiosus |
| Gen. | facundiosi |
| Dat. | facundioso |
| Acc. | facundiosum |
| Abl. | facundioso |
| Voc. | facundiose |
| PLURIEL |
| Nom. | facundiosi |
| Gen. | facundiosōrum |
| Dat. | facundiosis |
| Acc. | facundiosos |
| Abl. | facundiosis |
| Voc. | facundiosi |
| SINGULIER |
| Nom. | facundiosă |
| Gen. | facundiosae |
| Dat. | facundiosae |
| Acc. | facundiosam |
| Abl. | facundiosā |
| Voc. | facundiosă |
| PLURIEL |
| Nom. | facundiosae |
| Gen. | facundiosārum |
| Dat. | facundiosis |
| Acc. | facundiosas |
| Abl. | facundiosis |
| Voc. | facundiosae |
| SINGULIER |
| Nom. | facundiosum |
| Gen. | facundiosi |
| Dat. | facundioso |
| Acc. | facundiosum |
| Abl. | facundioso |
| Voc. | facundiosum |
| PLURIEL |
| Nom. | facundiosa |
| Gen. | facundiosōrum |
| Dat. | facundiosis |
| Acc. | facundiosa |
| Abl. | facundiosis | |