Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | irrationalis |
| Gen. | irrationalis |
| Dat. | irrationali |
| Acc. | irrationalem |
| Abl. | irrationali |
| Voc. | irrationalis |
| PLURIEL |
| Nom. | irrationales |
| Gen. | irrationalĭum |
| Dat. | irrationalĭbus |
| Acc. | irrationales |
| Abl. | irrationalĭbus |
| Voc. | irrationales |
| SINGULIER |
| Nom. | irrationalis |
| Gen. | irrationalis |
| Dat. | irrationali |
| Acc. | irrationalem |
| Abl. | irrationali |
| Voc. | irrationalis |
| PLURIEL |
| Nom. | irrationales |
| Gen. | irrationalĭum |
| Dat. | irrationalĭbus |
| Acc. | irrationales |
| Abl. | irrationalĭbus |
| Voc. | irrationales |
| SINGULIER |
| Nom. | irrationale |
| Gen. | irrationalis |
| Dat. | irrationali |
| Acc. | irrationale |
| Abl. | irrationali |
| Voc. | irrationale |
| PLURIEL |
| Nom. | irrationalĭa |
| Gen. | irrationalĭum |
| Dat. | irrationalĭbus |
| Acc. | irrationalĭa |
| Abl. | irrationalĭbus | |