Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | opacus |
| Gen. | opaci |
| Dat. | opaco |
| Acc. | opacum |
| Abl. | opaco |
| Voc. | opace |
| PLURIEL |
| Nom. | opaci |
| Gen. | opacōrum |
| Dat. | opacis |
| Acc. | opacos |
| Abl. | opacis |
| Voc. | opaci |
| SINGULIER |
| Nom. | opacă |
| Gen. | opacae |
| Dat. | opacae |
| Acc. | opacam |
| Abl. | opacā |
| Voc. | opacă |
| PLURIEL |
| Nom. | opacae |
| Gen. | opacārum |
| Dat. | opacis |
| Acc. | opacas |
| Abl. | opacis |
| Voc. | opacae |
| SINGULIER |
| Nom. | opacum |
| Gen. | opaci |
| Dat. | opaco |
| Acc. | opacum |
| Abl. | opaco |
| Voc. | opacum |
| PLURIEL |
| Nom. | opaca |
| Gen. | opacōrum |
| Dat. | opacis |
| Acc. | opaca |
| Abl. | opacis | |