Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | triangularis |
| Gen. | triangularis |
| Dat. | triangulari |
| Acc. | triangularem |
| Abl. | triangulari |
| Voc. | triangularis |
| PLURIEL |
| Nom. | triangulares |
| Gen. | triangularĭum |
| Dat. | triangularĭbus |
| Acc. | triangulares |
| Abl. | triangularĭbus |
| Voc. | triangulares |
| SINGULIER |
| Nom. | triangularis |
| Gen. | triangularis |
| Dat. | triangulari |
| Acc. | triangularem |
| Abl. | triangulari |
| Voc. | triangularis |
| PLURIEL |
| Nom. | triangulares |
| Gen. | triangularĭum |
| Dat. | triangularĭbus |
| Acc. | triangulares |
| Abl. | triangularĭbus |
| Voc. | triangulares |
| SINGULIER |
| Nom. | triangulare |
| Gen. | triangularis |
| Dat. | triangulari |
| Acc. | triangulare |
| Abl. | triangulari |
| Voc. | triangulare |
| PLURIEL |
| Nom. | triangularĭa |
| Gen. | triangularĭum |
| Dat. | triangularĭbus |
| Acc. | triangularĭa |
| Abl. | triangularĭbus | |