| Sg. Indef. | haft |
| Sg. Def. | haftið |
| Pl. Indef. | höft |
| Pl. Def. | höftin |
| Sg. Indef. | hafts |
| Sg. Def. | haftsins |
| Pl. Indef. | hafta |
| Pl. Def. | haftanna |
| Sg. Indef. | hafti |
| Sg. Def. | haftinu |
| Pl. Indef. | höftum |
| Pl. Def. | höftunum |
| Sg. Indef. | haft |
| Sg. Def. | haftið |
| Pl. Indef. | höft |
| Pl. Def. | höftin |