festarpeningur
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.festarpeningurfestarpeningurinnnf.festarpeningarfestarpeningarnir
þf.festarpeningfestarpeninginnþf.festarpeningafestarpeningana
þgf.festarpeningifestarpeningnumþgf.festarpeningumfestarpeningunum
ef.festarpeningsfestarpeningsinsef.festarpeningafestarpeninganna