brumknappur
nafnorð karlkyn
Fallbeygingar
Eintala
eintala með greini
nefnifall
brumknappur
brumknappurinn
þolfall
brumknapp
brumknappinn
þágufall
brumknappi
brumknappinum
eignarfall
brumknapps
brumknappsins
Fleirtala
fleirtala með greini
nefnifall
brumknappar
brumknapparnir
þolfall
brumknappa
brumknappana
þágufall
brumknöppum
brumknöppunum
eignarfall
brumknappa
brumknappanna