| Singular | Plural | |
| Nom. | heið-r (heath) | heið-ar |
| Acc. | heið-i | heið-ar |
| Dat. | heið-i | heið-um |
| Gen. | heið-ar | heið-a |
(2) ir-plurals
| Singular | Plural | |
| Nom. | tīð | tīð-ir |
| Acc. | tīð | tīð-ir |
| Dat. | tīð | tīð-um |
| Gen. | tīð-ar | tīð-a |
66. So also sorg (sorrow), skipun (arrangement), hǫfn (harbour) pl. hafnir, and the majority of strong feminines.
67. Many have -u in the dat. sg.: sōl (sun), sōl, sōlu, sōlar; sōlir, sōlir, sōlum, sōla. So also jǫrð (earth), stund (period of time).
68. One noun has r in the nom. sg., following heiðr in the sg.: brūðr (bride), brūði, brūði, brūðar; brūðir, brūðir, brūðum, brūða.
(3) r-plurals
| Singular | Plural | |
| Nom. | bōk (book) | bœk-r |
| Acc. | bōk | bœk-r |
| Dat. | bōk | bōk-um |
| Gen. | bōk-ar | bōk-a |
69. So also nātt (night) pl. nætr, bōt (compensation) pl. bœtr, tǫnn (tooth) gen. tannar pl. tęnnr.