heilladagur
nafnorð karlkyn
Fallbeygingar
Eintala
eintala með greini
nefnifall
heilladagur
heilladagurinn
þolfall
heilladag
heilladaginn
þágufall
heilladegi
heilladeginum
eignarfall
heilladags
heilladagsins
Fleirtala
fleirtala með greini
nefnifall
heilladagar
heilladagarnir
þolfall
heilladaga
heilladagana
þágufall
heilladögum
heilladögunum
eignarfall
heilladaga
heilladaganna