Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | facundus |
| Gen. | facundi |
| Dat. | facundo |
| Acc. | facundum |
| Abl. | facundo |
| Voc. | facunde |
| PLURIEL |
| Nom. | facundi |
| Gen. | facundōrum |
| Dat. | facundis |
| Acc. | facundos |
| Abl. | facundis |
| Voc. | facundi |
| SINGULIER |
| Nom. | facundă |
| Gen. | facundae |
| Dat. | facundae |
| Acc. | facundam |
| Abl. | facundā |
| Voc. | facundă |
| PLURIEL |
| Nom. | facundae |
| Gen. | facundārum |
| Dat. | facundis |
| Acc. | facundas |
| Abl. | facundis |
| Voc. | facundae |
| SINGULIER |
| Nom. | facundum |
| Gen. | facundi |
| Dat. | facundo |
| Acc. | facundum |
| Abl. | facundo |
| Voc. | facundum |
| PLURIEL |
| Nom. | facunda |
| Gen. | facundōrum |
| Dat. | facundis |
| Acc. | facunda |
| Abl. | facundis | |