| Sg. Indef. | arftaki |
| Sg. Def. | arftakinn |
| Pl. Indef. | arftakar |
| Pl. Def. | arftakarnir |
| Sg. Indef. | arftaka |
| Sg. Def. | arftakans |
| Pl. Indef. | arftaka |
| Pl. Def. | arftakanna |
| Sg. Indef. | arftaka |
| Sg. Def. | arftakanum |
| Pl. Indef. | arftǫkum |
| Pl. Def. | arftǫkunum |
| Sg. Indef. | arftaka |
| Sg. Def. | arftakann |
| Pl. Indef. | arftaka |
| Pl. Def. | arftakana |