gistivinur
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.gistivinurgistivinurinnnf.gistivinirgistivinirnir
þf.gistivingistivininnþf.gistivinigistivinina
þgf.gistivini / gistivingistivininumþgf.gistivinumgistivinunum
ef.gistivinargistivinarinsef.gistivinagistivinanna