hvíldarefni
nafnorð hvorugkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.hvíldarefnihvíldarefniðnf.hvíldarefnihvíldarefnin
þf.hvíldarefnihvíldarefniðþf.hvíldarefnihvíldarefnin
þgf.hvíldarefnihvíldarefninuþgf.hvíldarefnumhvíldarefnunum
ef.hvíldarefnishvíldarefnisinsef.hvíldarefnahvíldarefnanna