Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | rationabilis |
| Gen. | rationabilis |
| Dat. | rationabili |
| Acc. | rationabilem |
| Abl. | rationabili |
| Voc. | rationabilis |
| PLURIEL |
| Nom. | rationabiles |
| Gen. | rationabilĭum |
| Dat. | rationabilĭbus |
| Acc. | rationabiles |
| Abl. | rationabilĭbus |
| Voc. | rationabiles |
| SINGULIER |
| Nom. | rationabilis |
| Gen. | rationabilis |
| Dat. | rationabili |
| Acc. | rationabilem |
| Abl. | rationabili |
| Voc. | rationabilis |
| PLURIEL |
| Nom. | rationabiles |
| Gen. | rationabilĭum |
| Dat. | rationabilĭbus |
| Acc. | rationabiles |
| Abl. | rationabilĭbus |
| Voc. | rationabiles |
| SINGULIER |
| Nom. | rationabile |
| Gen. | rationabilis |
| Dat. | rationabili |
| Acc. | rationabile |
| Abl. | rationabili |
| Voc. | rationabile |
| PLURIEL |
| Nom. | rationabilĭa |
| Gen. | rationabilĭum |
| Dat. | rationabilĭbus |
| Acc. | rationabilĭa |
| Abl. | rationabilĭbus | |