Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | commercialis |
| Gen. | commercialis |
| Dat. | commerciali |
| Acc. | commercialem |
| Abl. | commerciali |
| Voc. | commercialis |
| PLURIEL |
| Nom. | commerciales |
| Gen. | commercialĭum |
| Dat. | commercialĭbus |
| Acc. | commerciales |
| Abl. | commercialĭbus |
| Voc. | commerciales |
| SINGULIER |
| Nom. | commercialis |
| Gen. | commercialis |
| Dat. | commerciali |
| Acc. | commercialem |
| Abl. | commerciali |
| Voc. | commercialis |
| PLURIEL |
| Nom. | commerciales |
| Gen. | commercialĭum |
| Dat. | commercialĭbus |
| Acc. | commerciales |
| Abl. | commercialĭbus |
| Voc. | commerciales |
| SINGULIER |
| Nom. | commerciale |
| Gen. | commercialis |
| Dat. | commerciali |
| Acc. | commerciale |
| Abl. | commerciali |
| Voc. | commerciale |
| PLURIEL |
| Nom. | commercialĭa |
| Gen. | commercialĭum |
| Dat. | commercialĭbus |
| Acc. | commercialĭa |
| Abl. | commercialĭbus | |