| masc. | singular | plural |
| nom. | inn langi harmr | inir lǫngu harmar |
| acc. | inn langa harm | ina lǫngu harma |
| gen. | ins langa harms | inna langra harma |
| dat. | inum langa harmi | inum lǫngum hǫrmum |
| fem. | singular | plural |
| nom. | in langa þǫrf | inar lǫngu þarfar |
| acc. | ina lǫngu þǫrf | inar lǫngu þarfar |
| gen. | innar lǫngu þarfar | inna lǫngu þarfa |
| dat. | inni lǫngu þǫrf | inum lǫngum þǫrfum |
| neut. | singular | plural |
| nom. | it langa vatn | in lǫngu vǫtn |
| acc. | it langa vatn | in lǫngu vǫtn |
| gen. | ins langa vatns | inna lǫngu vatna |
| dat. | inu langa vatni | inum lǫngum vǫtnum |