Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | sinceris |
| Gen. | sinceris |
| Dat. | sinceri |
| Acc. | sincerem |
| Abl. | sinceri |
| Voc. | sinceris |
| PLURIEL |
| Nom. | sinceres |
| Gen. | sincerĭum |
| Dat. | sincerĭbus |
| Acc. | sinceres |
| Abl. | sincerĭbus |
| Voc. | sinceres |
| SINGULIER |
| Nom. | sinceris |
| Gen. | sinceris |
| Dat. | sinceri |
| Acc. | sincerem |
| Abl. | sinceri |
| Voc. | sinceris |
| PLURIEL |
| Nom. | sinceres |
| Gen. | sincerĭum |
| Dat. | sincerĭbus |
| Acc. | sinceres |
| Abl. | sincerĭbus |
| Voc. | sinceres |
| SINGULIER |
| Nom. | sincere |
| Gen. | sinceris |
| Dat. | sinceri |
| Acc. | sincere |
| Abl. | sinceri |
| Voc. | sincere |
| PLURIEL |
| Nom. | sincerĭa |
| Gen. | sincerĭum |
| Dat. | sincerĭbus |
| Acc. | sincerĭa |
| Abl. | sincerĭbus | |