jökulsteinn
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.jökulsteinnjökulsteinninnnf.jökulsteinarjökulsteinarnir
þf.jökulsteinjökulsteininnþf.jökulsteinajökulsteinana
þgf.jökulsteinijökulsteininumþgf.jökulsteinumjökulsteinunum
ef.jökulsteinsjökulsteinsinsef.jökulsteinajökulsteinanna