Similar-sounding words in the dictionary:
bub,
bubb,
chubb,
cub,
dub,
hub,
jubb,
knab,
knabb,
knabe,
knaub,
knob,
knobbe,
knupp,
knut,
naab,
nab,
nabb,
neeb,
nib,
nibbe,
nobbe,
none,
nudd,
nudge,
nuhn,
null,
numb,
nun,
nunn,
nuss,
nusz,
nut,
nutt,
pub,
rub,
snub,
sub,
tub,
tubb 