Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | septemtrionalis |
| Gen. | septemtrionalis |
| Dat. | septemtrionali |
| Acc. | septemtrionalem |
| Abl. | septemtrionali |
| Voc. | septemtrionalis |
| PLURIEL |
| Nom. | septemtrionales |
| Gen. | septemtrionalĭum |
| Dat. | septemtrionalĭbus |
| Acc. | septemtrionales |
| Abl. | septemtrionalĭbus |
| Voc. | septemtrionales |
| SINGULIER |
| Nom. | septemtrionalis |
| Gen. | septemtrionalis |
| Dat. | septemtrionali |
| Acc. | septemtrionalem |
| Abl. | septemtrionali |
| Voc. | septemtrionalis |
| PLURIEL |
| Nom. | septemtrionales |
| Gen. | septemtrionalĭum |
| Dat. | septemtrionalĭbus |
| Acc. | septemtrionales |
| Abl. | septemtrionalĭbus |
| Voc. | septemtrionales |
| SINGULIER |
| Nom. | septemtrionale |
| Gen. | septemtrionalis |
| Dat. | septemtrionali |
| Acc. | septemtrionale |
| Abl. | septemtrionali |
| Voc. | septemtrionale |
| PLURIEL |
| Nom. | septemtrionalĭa |
| Gen. | septemtrionalĭum |
| Dat. | septemtrionalĭbus |
| Acc. | septemtrionalĭa |
| Abl. | septemtrionalĭbus | |