sumarfönn
nafnorð kvenkyn
Fallbeygingar
Eintala
eintala með greini
nefnifall
sumarfönn
sumarfönnin
þolfall
sumarfönn
sumarfönnina
þágufall
sumarfönn
sumarfönninni
eignarfall
sumarfannar
sumarfannarinnar
Fleirtala
fleirtala með greini
nefnifall
sumarfannir
sumarfannirnar
þolfall
sumarfannir
sumarfannirnar
þágufall
sumarfönnum
sumarfönnunum
eignarfall
sumarfanna
sumarfannanna