grasafengur
nafnorð karlkyn
Beyging
eintalafleirtala
án greinismeð greinián greinismeð greini
nf.grasafengurgrasafengurinnnf.grasafengirgrasafengirnir
þf.grasafenggrasafenginnþf.grasafengigrasafengina
þgf.grasafenggrasafengnumþgf.grasafengjumgrasafengjunum
ef.grasafengs / grasafengjargrasafengsins / grasafengjarinsef.grasafengjagrasafengjanna