Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Achilleus |
| Gen. | Achillei |
| Dat. | Achilleo |
| Acc. | Achilleum |
| Abl. | Achilleo |
| Voc. | Achillee |
| PLURIEL |
| Nom. | Achillei |
| Gen. | Achilleōrum |
| Dat. | Achilleis |
| Acc. | Achilleos |
| Abl. | Achilleis |
| Voc. | Achillei |
| SINGULIER |
| Nom. | Achilleă |
| Gen. | Achilleae |
| Dat. | Achilleae |
| Acc. | Achilleam |
| Abl. | Achilleā |
| Voc. | Achilleă |
| PLURIEL |
| Nom. | Achilleae |
| Gen. | Achilleārum |
| Dat. | Achilleis |
| Acc. | Achilleas |
| Abl. | Achilleis |
| Voc. | Achilleae |
| SINGULIER |
| Nom. | Achilleum |
| Gen. | Achillei |
| Dat. | Achilleo |
| Acc. | Achilleum |
| Abl. | Achilleo |
| Voc. | Achilleum |
| PLURIEL |
| Nom. | Achillea |
| Gen. | Achilleōrum |
| Dat. | Achilleis |
| Acc. | Achillea |
| Abl. | Achilleis | |