undraheimur

nafnorðkarlkynundra-heimur

töfraveröld

Fallbeygingar

Et.Ft.

Eintala

Eintala m. greini

Nf.

undraheimur

undraheimurinn

Þf.

undraheim

undraheiminn

Þgf.

undraheimi

undraheiminum

Ef.

undraheims

undraheimsins