grasafengur
nafnorð karlkyn
Fallbeygingar
Eintala
eintala með greini
nefnifall
grasafengur
grasafengurinn
þolfall
grasafeng
grasafenginn
þágufall
grasafeng
grasafengnum
eignarfall
grasafengsgrasafengjar
grasafengsinsgrasafengjarins
Fleirtala
fleirtala með greini
nefnifall
grasafengir
grasafengirnir
þolfall
grasafengi
grasafengina
þágufall
grasafengjum
grasafengjunum
eignarfall
grasafengja
grasafengjanna