Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | perplanus |
| Gen. | perplani |
| Dat. | perplano |
| Acc. | perplanum |
| Abl. | perplano |
| Voc. | perplane |
| PLURIEL |
| Nom. | perplani |
| Gen. | perplanōrum |
| Dat. | perplanis |
| Acc. | perplanos |
| Abl. | perplanis |
| Voc. | perplani |
| SINGULIER |
| Nom. | perplană |
| Gen. | perplanae |
| Dat. | perplanae |
| Acc. | perplanam |
| Abl. | perplanā |
| Voc. | perplană |
| PLURIEL |
| Nom. | perplanae |
| Gen. | perplanārum |
| Dat. | perplanis |
| Acc. | perplanas |
| Abl. | perplanis |
| Voc. | perplanae |
| SINGULIER |
| Nom. | perplanum |
| Gen. | perplani |
| Dat. | perplano |
| Acc. | perplanum |
| Abl. | perplano |
| Voc. | perplanum |
| PLURIEL |
| Nom. | perplana |
| Gen. | perplanōrum |
| Dat. | perplanis |
| Acc. | perplana |
| Abl. | perplanis | |