Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | sincerus |
| Gen. | sinceri |
| Dat. | sincero |
| Acc. | sincerum |
| Abl. | sincero |
| Voc. | sincere |
| PLURIEL |
| Nom. | sinceri |
| Gen. | sincerōrum |
| Dat. | sinceris |
| Acc. | sinceros |
| Abl. | sinceris |
| Voc. | sinceri |
| SINGULIER |
| Nom. | sinceră |
| Gen. | sincerae |
| Dat. | sincerae |
| Acc. | sinceram |
| Abl. | sincerā |
| Voc. | sinceră |
| PLURIEL |
| Nom. | sincerae |
| Gen. | sincerārum |
| Dat. | sinceris |
| Acc. | sinceras |
| Abl. | sinceris |
| Voc. | sincerae |
| SINGULIER |
| Nom. | sincerum |
| Gen. | sinceri |
| Dat. | sincero |
| Acc. | sincerum |
| Abl. | sincero |
| Voc. | sincerum |
| PLURIEL |
| Nom. | sincera |
| Gen. | sincerōrum |
| Dat. | sinceris |
| Acc. | sincera |
| Abl. | sinceris | |