Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | irrationabilis |
| Gen. | irrationabilis |
| Dat. | irrationabili |
| Acc. | irrationabilem |
| Abl. | irrationabili |
| Voc. | irrationabilis |
| PLURIEL |
| Nom. | irrationabiles |
| Gen. | irrationabilĭum |
| Dat. | irrationabilĭbus |
| Acc. | irrationabiles |
| Abl. | irrationabilĭbus |
| Voc. | irrationabiles |
| SINGULIER |
| Nom. | irrationabilis |
| Gen. | irrationabilis |
| Dat. | irrationabili |
| Acc. | irrationabilem |
| Abl. | irrationabili |
| Voc. | irrationabilis |
| PLURIEL |
| Nom. | irrationabiles |
| Gen. | irrationabilĭum |
| Dat. | irrationabilĭbus |
| Acc. | irrationabiles |
| Abl. | irrationabilĭbus |
| Voc. | irrationabiles |
| SINGULIER |
| Nom. | irrationabile |
| Gen. | irrationabilis |
| Dat. | irrationabili |
| Acc. | irrationabile |
| Abl. | irrationabili |
| Voc. | irrationabile |
| PLURIEL |
| Nom. | irrationabilĭa |
| Gen. | irrationabilĭum |
| Dat. | irrationabilĭbus |
| Acc. | irrationabilĭa |
| Abl. | irrationabilĭbus | |