Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | decretalis |
| Gen. | decretalis |
| Dat. | decretali |
| Acc. | decretalem |
| Abl. | decretali |
| Voc. | decretalis |
| PLURIEL |
| Nom. | decretales |
| Gen. | decretalĭum |
| Dat. | decretalĭbus |
| Acc. | decretales |
| Abl. | decretalĭbus |
| Voc. | decretales |
| SINGULIER |
| Nom. | decretalis |
| Gen. | decretalis |
| Dat. | decretali |
| Acc. | decretalem |
| Abl. | decretali |
| Voc. | decretalis |
| PLURIEL |
| Nom. | decretales |
| Gen. | decretalĭum |
| Dat. | decretalĭbus |
| Acc. | decretales |
| Abl. | decretalĭbus |
| Voc. | decretales |
| SINGULIER |
| Nom. | decretale |
| Gen. | decretalis |
| Dat. | decretali |
| Acc. | decretale |
| Abl. | decretali |
| Voc. | decretale |
| PLURIEL |
| Nom. | decretalĭa |
| Gen. | decretalĭum |
| Dat. | decretalĭbus |
| Acc. | decretalĭa |
| Abl. | decretalĭbus | |