| Sg. Indef. | þarfagangr |
| Sg. Def. | þarfagangrinn |
| Pl. Indef. | þarfagangar |
| Pl. Def. | þarfagangarnir |
| Sg. Indef. | þarfagangs |
| Sg. Def. | þarfagangsins |
| Pl. Indef. | þarfaganga |
| Pl. Def. | þarfaganganna |
| Sg. Indef. | þarfagangi |
| Sg. Def. | þarfaganginum |
| Pl. Indef. | þarfagǫngum |
| Pl. Def. | þarfagǫngunum |
| Sg. Indef. | þarfagang |
| Sg. Def. | þarfaganginn |
| Pl. Indef. | þarfaganga |
| Pl. Def. | þarfagangana |