| Sg. Indef. | kvarkur |
| Sg. Def. | kvarkurin |
| Pl. Indef. | kvarkar |
| Pl. Def. | kvarkarnir |
| Sg. Indef. | kvarks |
| Sg. Def. | kvarksins |
| Pl. Indef. | kvarka |
| Pl. Def. | kvarkanna |
| Sg. Indef. | kvarki |
| Sg. Def. | kvarkinum |
| Pl. Indef. | kvørkum |
| Pl. Def. | kvørkunum |
| Sg. Indef. | kvark |
| Sg. Def. | kvarkin |
| Pl. Indef. | kvarkar |
| Pl. Def. | kvarkarnar |