| Sg. Indef. | þjarki |
| Sg. Def. | þjarkinn |
| Pl. Indef. | þjarkar |
| Pl. Def. | þjarkarnir |
| Sg. Indef. | þjarka |
| Sg. Def. | þjarkans |
| Pl. Indef. | þjarka |
| Pl. Def. | þjarkanna |
| Sg. Indef. | þjarka |
| Sg. Def. | þjarkanum |
| Pl. Indef. | þjörkum |
| Pl. Def. | þjörkunum |
| Sg. Indef. | þjarka |
| Sg. Def. | þjarkann |
| Pl. Indef. | þjarka |
| Pl. Def. | þjarkana |