| Sg. Indef. | steinhjarta |
| Sg. Def. | steinhjartað |
| Pl. Indef. | steinhjörtu |
| Pl. Def. | steinhjörtun |
| Sg. Indef. | steinhjarta |
| Sg. Def. | steinhjartans |
| Pl. Indef. | steinhjartna |
| Pl. Def. | steinhjartnanna |
| Sg. Indef. | steinhjarta |
| Sg. Def. | steinhjartanu |
| Pl. Indef. | steinhjörtum |
| Pl. Def. | steinhjörtunum |
| Sg. Indef. | steinhjarta |
| Sg. Def. | steinhjartað |
| Pl. Indef. | steinhjörtu |
| Pl. Def. | steinhjörtun |