athugunarefni
nafnorð hvorugkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.athugunarefniathugunarefniðnf.athugunarefniathugunarefnin
þf.athugunarefniathugunarefniðþf.athugunarefniathugunarefnin
þgf.athugunarefniathugunarefninuþgf.athugunarefnumathugunarefnunum
ef.athugunarefnisathugunarefnisinsef.athugunarefnaathugunarefnanna