gerfiefni
nafnorð hvorugkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.gerfiefnigerfiefniðnf.gerfiefnigerfiefnin
þf.gerfiefnigerfiefniðþf.gerfiefnigerfiefnin
þgf.gerfiefnigerfiefninuþgf.gerfiefnumgerfiefnunum
ef.gerfiefnisgerfiefnisinsef.gerfiefnagerfiefnanna