Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | triangulus |
| Gen. | trianguli |
| Dat. | triangulo |
| Acc. | triangulum |
| Abl. | triangulo |
| Voc. | triangule |
| PLURIEL |
| Nom. | trianguli |
| Gen. | triangulōrum |
| Dat. | triangulis |
| Acc. | triangulos |
| Abl. | triangulis |
| Voc. | trianguli |
| SINGULIER |
| Nom. | triangulă |
| Gen. | triangulae |
| Dat. | triangulae |
| Acc. | triangulam |
| Abl. | triangulā |
| Voc. | triangulă |
| PLURIEL |
| Nom. | triangulae |
| Gen. | triangulārum |
| Dat. | triangulis |
| Acc. | triangulas |
| Abl. | triangulis |
| Voc. | triangulae |
| SINGULIER |
| Nom. | triangulum |
| Gen. | trianguli |
| Dat. | triangulo |
| Acc. | triangulum |
| Abl. | triangulo |
| Voc. | triangulum |
| PLURIEL |
| Nom. | triangula |
| Gen. | triangulōrum |
| Dat. | triangulis |
| Acc. | triangula |
| Abl. | triangulis | |