| Sg. Indef. | búrhvalur |
| Sg. Def. | búrhvalurinn |
| Pl. Indef. | búrhvalir |
| Pl. Def. | búrhvalirnir |
| Sg. Indef. | búrhvals |
| Sg. Def. | búrhvalsins |
| Pl. Indef. | búrhvala |
| Pl. Def. | búrhvalanna |
| Sg. Indef. | búrhval |
| Sg. Def. | búrhvalnum |
| Pl. Indef. | búrhvölum |
| Pl. Def. | búrhvölunum |
| Sg. Indef. | búrhval |
| Sg. Def. | búrhvalinn |
| Pl. Indef. | búrhvali |
| Pl. Def. | búrhvalina |