| Sg. Indef. | kolkrabbi |
| Sg. Def. | kolkrabbinn |
| Pl. Indef. | kolkrabbar |
| Pl. Def. | kolkrabbarnir |
| Sg. Indef. | kolkrabba |
| Sg. Def. | kolkrabbans |
| Pl. Indef. | kolkrabba |
| Pl. Def. | kolkrabbanna |
| Sg. Indef. | kolkrabba |
| Sg. Def. | kolkrabbanum |
| Pl. Indef. | kolkröbbum |
| Pl. Def. | kolkröbbunum |
| Sg. Indef. | kolkrabba |
| Sg. Def. | kolkrabbann |
| Pl. Indef. | kolkrabba |
| Pl. Def. | kolkrabbana |