Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | petrensis |
| Gen. | petrensis |
| Dat. | petrensi |
| Acc. | petrensem |
| Abl. | petrensi |
| Voc. | petrensis |
| PLURIEL |
| Nom. | petrenses |
| Gen. | petrensĭum |
| Dat. | petrensĭbus |
| Acc. | petrenses |
| Abl. | petrensĭbus |
| Voc. | petrenses |
| SINGULIER |
| Nom. | petrensis |
| Gen. | petrensis |
| Dat. | petrensi |
| Acc. | petrensem |
| Abl. | petrensi |
| Voc. | petrensis |
| PLURIEL |
| Nom. | petrenses |
| Gen. | petrensĭum |
| Dat. | petrensĭbus |
| Acc. | petrenses |
| Abl. | petrensĭbus |
| Voc. | petrenses |
| SINGULIER |
| Nom. | petrense |
| Gen. | petrensis |
| Dat. | petrensi |
| Acc. | petrense |
| Abl. | petrensi |
| Voc. | petrense |
| PLURIEL |
| Nom. | petrensĭa |
| Gen. | petrensĭum |
| Dat. | petrensĭbus |
| Acc. | petrensĭa |
| Abl. | petrensĭbus | |